ecos: packages/hal/cortexm/arch/current/src/hal

annotate packages/hal/cortexm/arch/current/src/hal_misc.c @ 2589:9da21501bc5b

* include/hal_intr.h: Fixed load value of SysTick counter. * src/hal_misc.c: Fixed wrap-around in hal_delay_us().

author	nickg
date	Wed, 05 Nov 2008 09:59:41 +0000
parents	07fc475e1c28
children	d16f29a90821

rev	line source
2580 07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	1 /*==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	2 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	3 // hal_misc.c
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	4 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	5 // Cortex-M exception vectors
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	6 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	7 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	8 //####ECOSGPLCOPYRIGHTBEGIN####
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	9 // -------------------------------------------
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	10 // This file is part of eCos, the Embedded Configurable Operating System.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	11 // Copyright (C) 2008 eCosCentric Limited.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	12 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	13 // eCos is free software; you can redistribute it and/or modify it under
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	14 // the terms of the GNU General Public License as published by the Free
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	15 // Software Foundation; either version 2 or (at your option) any later version.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	16 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	20 // for more details.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	21 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	22 // You should have received a copy of the GNU General Public License along
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	23 // with eCos; if not, write to the Free Software Foundation, Inc.,
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	25 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	26 // As a special exception, if other files instantiate templates or use macros
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	27 // or inline functions from this file, or you compile this file and link it
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	28 // with other works to produce a work based on this file, this file does not
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	29 // by itself cause the resulting work to be covered by the GNU General Public
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	30 // License. However the source code for this file must still be made available
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	31 // in accordance with section (3) of the GNU General Public License.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	32 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	33 // This exception does not invalidate any other reasons why a work based on
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	34 // this file might be covered by the GNU General Public License.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	35 // -------------------------------------------
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	36 //####ECOSGPLCOPYRIGHTEND####
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	37 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	38 //#####DESCRIPTIONBEGIN####
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	39 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	40 // Author(s): nickg
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	41 // Date: 2008-07-30
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	42 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	43 //####DESCRIPTIONEND####
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	44 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	45 //========================================================================*/
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	46
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	47 #include <pkgconf/hal.h>
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	48 #include <pkgconf/hal_cortexm.h>
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	49 #ifdef CYGPKG_KERNEL
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	50 #include <pkgconf/kernel.h>
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	51 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	52
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	53 #include <cyg/infra/diag.h>
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	54 #include <cyg/infra/cyg_type.h>
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	55 #include <cyg/infra/cyg_trac.h> // tracing macros
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	56 #include <cyg/infra/cyg_ass.h> // assertion macros
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	57
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	58 #include <cyg/hal/hal_arch.h> // HAL header
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	59 #include <cyg/hal/hal_intr.h> // HAL header
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	60
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	61 #include <cyg/hal/drv_api.h>
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	62
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	63 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	64
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	65 typedef cyg_uint32 cyg_isr(cyg_uint32 vector, CYG_ADDRWORD data);
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	66
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	67 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	68 // External references
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	69
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	70 // VSRs in vectors.S
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	71 __externC void hal_default_exception_vsr( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	72 __externC void hal_default_interrupt_vsr( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	73 __externC void hal_default_svc_vsr( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	74 __externC void hal_pendable_svc_vsr( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	75 __externC void hal_switch_state_vsr( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	76
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	77 // HAL and eCos functions
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	78 __externC void hal_system_init( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	79 __externC void hal_variant_init( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	80 __externC void hal_platform_init( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	81 __externC void hal_ctrlc_isr_init( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	82 __externC void initialize_stub( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	83 __externC void cyg_hal_invoke_constructors( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	84 __externC void cyg_start( void );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	85 __externC void cyg_interrupt_post_dsr( CYG_ADDRWORD intr_obj );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	86 __externC void interrupt_end(cyg_uint32 isr_ret, CYG_ADDRWORD intr, HAL_SavedRegisters *regs );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	87
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	88 // DATA and BSS locations
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	89 __externC cyg_uint32 __ram_data_start;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	90 __externC cyg_uint32 __ram_data_end;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	91 __externC cyg_uint32 __rom_data_start;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	92 __externC cyg_uint32 __bss_start;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	93 __externC cyg_uint32 __bss_end;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	94
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	95 // Scheduler lock
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	96 __externC volatile cyg_uint32 cyg_scheduler_sched_lock;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	97
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	98 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	99 // Interrupt tables
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	100
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	101 volatile CYG_ADDRESS hal_interrupt_handlers[CYGNUM_HAL_ISR_COUNT];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	102 volatile CYG_ADDRWORD hal_interrupt_data [CYGNUM_HAL_ISR_COUNT];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	103 volatile CYG_ADDRESS hal_interrupt_objects [CYGNUM_HAL_ISR_COUNT];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	104
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	105 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	106 // Main entry point
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	107 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	108 // Enter here from reset via slot 1 of VSR table. The stack pointer is
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	109 // already set to the value in VSR slot 0, usually the top of internal
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	110 // SRAM.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	111
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	112 void hal_reset_vsr( void )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	113 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	114 // Call system init routine. This should do the minimum necessary
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	115 // for the rest of the initialization to complete. For example set
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	116 // up GPIO, the SRAM, power management etc. This routine is
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	117 // usually supplied by the platform HAL. Calls to
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	118 // hal_variant_init() and hal_platform_init() later will perform
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	119 // the main initialization.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	120
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	121 hal_system_init();
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	122
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	123 // Initialize vector table in base of SRAM.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	124 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	125 register int i;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	126
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	127 #if !defined(CYG_HAL_STARTUP_RAM)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	128
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	129 // Only install the exception vectors for non-RAM startup. For
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	130 // RAM startup we want these to continue to point to the original
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	131 // VSRs, which will belong to RedBoot or GDB stubs.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	132
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	133 for( i = 2; i < 15; i++ )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	134 hal_vsr_table[i] = (CYG_ADDRESS)hal_default_exception_vsr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	135
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	136 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	137 // Always point SVC and PENDSVC vectors to our local versions
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	138
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	139 hal_vsr_table[CYGNUM_HAL_VECTOR_SERVICE] = (CYG_ADDRESS)hal_default_svc_vsr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	140 hal_vsr_table[CYGNUM_HAL_VECTOR_PENDSV] = (CYG_ADDRESS)hal_pendable_svc_vsr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	141
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	142 // For all startup type, redirect interrupt vectors to our VSR.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	143 for( i = CYGNUM_HAL_VECTOR_SYS_TICK ;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	144 i < CYGNUM_HAL_VECTOR_SYS_TICK + CYGNUM_HAL_VSR_MAX;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	145 i++ )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	146 hal_vsr_table[i] = (CYG_ADDRESS)hal_default_interrupt_vsr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	147 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	148
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	149
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	150 #if !defined(CYG_HAL_STARTUP_RAM)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	151
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	152 // Ensure that the CPU will use the vector table we have just set
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	153 // up.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	154
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	155 # if defined(CYGHWR_HAL_CORTEXM_M3)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	156
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	157 // On M3 parts, the NVIC contains a vector table base register. We
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	158 // program this to relocate the vector table base to the base of
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	159 // SRAM.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	160
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	161 HAL_WRITE_UINT32( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_VTOR,
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	162 CYGARC_REG_NVIC_VTOR_TBLOFF(0)\|
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	163 CYGARC_REG_NVIC_VTOR_TBLBASE_SRAM );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	164
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	165 # else
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	166
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	167 # error Unknown SRAM/VECTAB remap mechanism
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	168
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	169 # endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	170
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	171 // Use SVC to switch our state to thread mode running on the PSP.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	172 // We don't need to do this for RAM startup since the ROM code
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	173 // will have already done it.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	174
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	175 hal_vsr_table[CYGNUM_HAL_VECTOR_SERVICE] = (CYG_ADDRESS)hal_switch_state_vsr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	176
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	177 __asm__ volatile( "swi" );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	178
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	179 hal_vsr_table[CYGNUM_HAL_VECTOR_SERVICE] = (CYG_ADDRESS)hal_default_svc_vsr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	180
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	181 #endif // !defined(CYG_HAL_STARTUP_RAM)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	182
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	183 #if defined(CYG_HAL_STARTUP_ROM)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	184 // Relocate data from ROM to RAM
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	185 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	186 register cyg_uint32 p, q;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	187 for( p = &__ram_data_start, q = &__rom_data_start;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	188 p < &__ram_data_end;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	189 p++, q++ )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	190 p = q;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	191 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	192 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	193
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	194 // Clear BSS
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	195 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	196 register cyg_uint32 *p;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	197 for( p = &__bss_start; p < &__bss_end; p++ )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	198 *p = 0;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	199 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	200
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	201 // Initialize interrupt vectors. Set the levels for all interrupts
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	202 // to default values. Also set the default priorities of the
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	203 // system handlers: all exceptions maximum priority except SVC and
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	204 // PendSVC which are lowest priority.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	205 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	206 register int i;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	207
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	208 HAL_WRITE_UINT32( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_SHPR0, 0x00000000 );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	209 HAL_WRITE_UINT32( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_SHPR1, 0xFF000000 );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	210 HAL_WRITE_UINT32( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_SHPR2, 0x00FF0000 );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	211
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	212 hal_interrupt_handlers[CYGNUM_HAL_INTERRUPT_SYS_TICK] = (CYG_ADDRESS)hal_default_isr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	213
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	214 for( i = 1; i < CYGNUM_HAL_ISR_COUNT; i++ )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	215 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	216 hal_interrupt_handlers[i] = (CYG_ADDRESS)hal_default_isr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	217 HAL_WRITE_UINT8( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_PR(i-CYGNUM_HAL_INTERRUPT_EXTERNAL), 0x80 );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	218 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	219 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	220
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	221 #if defined(CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	222 // Enable DebugMonitor exceptions. This is needed to enable single
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	223 // step. This only has an effect if no external JTAG device is
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	224 // attached.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	225 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	226 CYG_ADDRESS base = CYGARC_REG_DEBUG_BASE;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	227 cyg_uint32 demcr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	228
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	229 HAL_READ_UINT32( base+CYGARC_REG_DEBUG_DEMCR, demcr );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	230 demcr \|= CYGARC_REG_DEBUG_DEMCR_MON_EN;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	231 HAL_WRITE_UINT32( base+CYGARC_REG_DEBUG_DEMCR, demcr );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	232 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	233 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	234
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	235 #if !defined(CYG_HAL_STARTUP_RAM)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	236 // Enable Usage, Bus and Mem fault handlers. Do this for ROM and
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	237 // JTAG startups. For RAM startups, this will have already been
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	238 // done by the ROM monitor.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	239 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	240 CYG_ADDRESS base = CYGARC_REG_NVIC_BASE;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	241 cyg_uint32 shcsr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	242
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	243 HAL_READ_UINT32( base+CYGARC_REG_NVIC_SHCSR, shcsr );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	244 shcsr \|= CYGARC_REG_NVIC_SHCSR_USGFAULTENA;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	245 shcsr \|= CYGARC_REG_NVIC_SHCSR_BUSFAULTENA;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	246 shcsr \|= CYGARC_REG_NVIC_SHCSR_MEMFAULTENA;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	247 HAL_WRITE_UINT32( base+CYGARC_REG_NVIC_SHCSR, shcsr );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	248 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	249 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	250
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	251 // Call variant and platform init routines
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	252 hal_variant_init();
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	253 hal_platform_init();
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	254
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	255 // Start up the system clock
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	256 HAL_CLOCK_INITIALIZE( CYGNUM_HAL_RTC_PERIOD );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	257
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	258 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	259
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	260 initialize_stub();
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	261
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	262 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	263
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	264 #if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT) \|\| \
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	265 defined(CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	266
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	267 hal_ctrlc_isr_init();
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	268
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	269 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	270
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	271 // Run through static constructors
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	272 cyg_hal_invoke_constructors();
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	273
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	274 // Finally call into application
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	275 cyg_start();
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	276 for(;;);
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	277 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	278
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	279 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	280 // Handle Exceptions
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	281 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	282 // Exceptions are passed here from the initial VSR. We pass the
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	283 // exception on to GDB stubs or the kernel as appropriate.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	284
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	285 __externC void __handle_exception (void);
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	286
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	287 __externC HAL_SavedRegisters *_hal_registers;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	288 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	289 __externC void* volatile __mem_fault_handler;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	290 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	291
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	292 void hal_deliver_exception( HAL_SavedRegisters *regs )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	293 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	294 // Special case handler for code which has chosen to take care
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	295 // of data exceptions (i.e. code which expects them to happen)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	296 // This is common in discovery code, e.g. checking for a particular
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	297 // device which may generate an exception when probing if the
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	298 // device is not present
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	299 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	300 if (__mem_fault_handler )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	301 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	302 regs->u.exception.pc = (unsigned long)__mem_fault_handler;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	303 return; // Caught an exception inside stubs
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	304 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	305 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	306
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	307 #if defined(CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	308
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	309 _hal_registers = regs;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	310 __handle_exception();
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	311
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	312 #elif defined(CYGPKG_KERNEL_EXCEPTIONS)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	313
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	314 cyg_hal_deliver_exception( regs->u.exception.vector, (CYG_ADDRWORD)regs );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	315
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	316 #else
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	317
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	318 CYG_FAIL("Exception!!!");
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	319
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	320 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	321 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	322
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	323 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	324 // Handle Interrupts
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	325 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	326 // Interrupts are passed here from the low-level VSR in vectors.S. We
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	327 // look up the ISR in the interrupt table, call it and if it requests
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	328 // it, post a DSR. If necessary we also then cause the pendable SVC to
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	329 // be requested.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	330 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	331 // This function is also callable from ISR springboards that decode
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	332 // additional interrupts via external controllers to deliver an
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	333 // interrupt to a secondary vector.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	334
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	335 void hal_deliver_interrupt( cyg_uint32 vector )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	336 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	337 register cyg_uint32 isr_result;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	338 register cyg_isr *isr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	339 cyg_bool pendsvc = false;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	340
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	341 #if defined(CYGPKG_KERNEL_INSTRUMENT) && \
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	342 defined(CYGDBG_KERNEL_INSTRUMENT_INTR)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	343 cyg_instrument(RAISE_INTR, vector, 0 );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	344 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	345
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	346 isr = (cyg_isr *)hal_interrupt_handlers[vector];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	347
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	348 // Call the ISR
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	349 isr_result = isr( vector, hal_interrupt_data[vector] );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	350
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	351
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	352 #if !defined(CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	353 // If the ISR has returned the CALL_DSR bit, post the DSR and set
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	354 // the pendable SVC exception pending.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	355 if( isr_result & CYG_ISR_CALL_DSR )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	356 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	357 cyg_interrupt_post_dsr( hal_interrupt_objects[vector] );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	358
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	359 // Post the pendable SVC to call interrupt_end(). But only if
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	360 // the scheduler lock is currently zero. If it is non zero
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	361 // then interrupt_end will do nothing useful, so avoid calling
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	362 // it.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	363 if( cyg_scheduler_sched_lock == 0 )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	364 pendsvc = true;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	365 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	366 #else
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	367 // When chaining we don't know here whether the nested interrupt
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	368 // has posted a DSR, so we have to run interrupt_end() regardless.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	369 // However, the same considerations as above regarding the
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	370 // scheduler lock still apply.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	371 if( cyg_scheduler_sched_lock == 0 )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	372 pendsvc = true;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	373 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	374
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	375 // Post the pendable SVC if required.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	376 if( pendsvc )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	377 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	378 cyg_uint32 icsr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	379 HAL_READ_UINT32( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_ICSR, icsr );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	380 icsr \|= CYGARC_REG_NVIC_ICSR_PENDSVSET;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	381 HAL_WRITE_UINT32( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_ICSR, icsr );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	382 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	383 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	384
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	385 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	386 // Call interrupt_end()
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	387 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	388 // This is called on the thread stack as a result of the pendable
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	389 // SVC. interrupt_end() decrements the scheduler lock, calls DSRs and
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	390 // optionally switches thread context. So before calling, we must
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	391 // increment the lock. The actual interrupt end processing has already
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	392 // been done above in hal_default_interrupt_vsr1(), so the arguments
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	393 // are zero.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	394
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	395 __externC void hal_interrupt_end( void )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	396 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	397 #ifdef CYGFUN_HAL_COMMON_KERNEL_SUPPORT
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	398 cyg_scheduler_sched_lock++;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	399 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	400
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	401 interrupt_end(0,0,0);
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	402 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	403
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	404 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	405 // Interrupt masking and configuration
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	406
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	407 #ifndef HAL_VAR_INTERRUPT_MASK
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	408 #define HAL_VAR_INTERRUPT_MASK( __vector ) CYG_EMPTY_STATEMENT
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	409 #define HAL_VAR_INTERRUPT_UNMASK( __vector ) CYG_EMPTY_STATEMENT
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	410 #define HAL_VAR_INTERRUPT_SET_LEVEL( __vector, __level ) CYG_EMPTY_STATEMENT
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	411 #define HAL_VAR_INTERRUPT_ACKNOWLEDGE( __vector ) CYG_EMPTY_STATEMENT
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	412 #define HAL_VAR_INTERRUPT_CONFIGURE( __vector, __level, __up ) CYG_EMPTY_STATEMENT
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	413 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	414
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	415 //--------------------------------------------------------------------------
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	416
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	417 __externC void hal_interrupt_mask( cyg_uint32 vector )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	418 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	419 if( vector >= CYGNUM_HAL_INTERRUPT_EXTERNAL &&
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	420 vector <= CYGNUM_HAL_INTERRUPT_NVIC_MAX )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	421 HAL_WRITE_UINT32( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_CER(vector-CYGNUM_HAL_INTERRUPT_EXTERNAL),
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	422 CYGARC_REG_NVIC_IBIT(vector-CYGNUM_HAL_INTERRUPT_EXTERNAL) );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	423 else if( vector == CYGNUM_HAL_INTERRUPT_SYS_TICK )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	424 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	425 cyg_uint32 csr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	426 HAL_READ_UINT32(CYGARC_REG_SYSTICK_BASE+CYGARC_REG_SYSTICK_CSR, csr );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	427 csr &= ~CYGARC_REG_SYSTICK_CSR_TICKINT;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	428 HAL_WRITE_UINT32(CYGARC_REG_SYSTICK_BASE+CYGARC_REG_SYSTICK_CSR, csr );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	429 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	430 HAL_VAR_INTERRUPT_MASK( vector );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	431 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	432
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	433 //--------------------------------------------------------------------------
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	434
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	435 __externC void hal_interrupt_unmask( cyg_uint32 vector )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	436 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	437 if( vector >= CYGNUM_HAL_INTERRUPT_EXTERNAL &&
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	438 vector <= CYGNUM_HAL_INTERRUPT_NVIC_MAX )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	439 HAL_WRITE_UINT32( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_SER(vector-CYGNUM_HAL_INTERRUPT_EXTERNAL),
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	440 CYGARC_REG_NVIC_IBIT(vector-CYGNUM_HAL_INTERRUPT_EXTERNAL) );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	441 else if( vector == CYGNUM_HAL_INTERRUPT_SYS_TICK )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	442 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	443 cyg_uint32 csr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	444 HAL_READ_UINT32(CYGARC_REG_SYSTICK_BASE+CYGARC_REG_SYSTICK_CSR, csr );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	445 csr \|= CYGARC_REG_SYSTICK_CSR_TICKINT;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	446 HAL_WRITE_UINT32(CYGARC_REG_SYSTICK_BASE+CYGARC_REG_SYSTICK_CSR, csr );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	447 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	448 HAL_VAR_INTERRUPT_UNMASK( vector );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	449 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	450
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	451 //--------------------------------------------------------------------------
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	452
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	453 __externC void hal_interrupt_acknowledge( cyg_uint32 vector )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	454 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	455 HAL_VAR_INTERRUPT_ACKNOWLEDGE( vector );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	456 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	457
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	458 //--------------------------------------------------------------------------
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	459
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	460 __externC void hal_interrupt_configure( cyg_uint32 vector, cyg_uint32 level, cyg_uint32 up )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	461 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	462 HAL_VAR_INTERRUPT_CONFIGURE( vector, level, up );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	463 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	464
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	465 //--------------------------------------------------------------------------
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	466
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	467 __externC void hal_interrupt_set_level( cyg_uint32 vector, cyg_uint32 level )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	468 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	469 cyg_uint32 l = (level)+CYGNUM_HAL_CORTEXM_PRIORITY_MAX;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	470 if( l > 0xFF ) l = 0xFF; /* clamp to 0xFF */
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	471 if( vector >= CYGNUM_HAL_INTERRUPT_EXTERNAL &&
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	472 vector <= CYGNUM_HAL_INTERRUPT_NVIC_MAX )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	473 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	474 HAL_WRITE_UINT8( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_PR(vector-CYGNUM_HAL_INTERRUPT_EXTERNAL),
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	475 l );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	476 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	477 else if ( vector == CYGNUM_HAL_INTERRUPT_SYS_TICK )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	478 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	479 cyg_uint32 shpr2;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	480 HAL_READ_UINT32( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_SHPR2, shpr2 );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	481 shpr2 &= ~0xFF000000;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	482 shpr2 \|= (l)<<24;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	483 HAL_WRITE_UINT32( CYGARC_REG_NVIC_BASE+CYGARC_REG_NVIC_SHPR2, shpr2 );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	484 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	485 HAL_VAR_INTERRUPT_SET_LEVEL( vector, level );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	486 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	487
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	488 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	489 // Microsecond delay
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	490 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	491 // The system RTC is set up to tick at 1MHz so all we need to do here
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	492 // is count ticks.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	493
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	494 __externC void hal_delay_us( cyg_int32 us )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	495 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	496 cyg_uint32 t0, t1;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	497
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	498 HAL_CLOCK_READ( &t0 );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	499 while ( us > 0 )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	500 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	501 HAL_CLOCK_READ( &t1 );
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	502 if( t1 < t0 )
2589 9da21501bc5b * include/hal_intr.h: nickg parents: 2580 diff changeset	503 us -= (t1 + CYGNUM_HAL_RTC_PERIOD - t0);
9da21501bc5b * include/hal_intr.h: nickg parents: 2580 diff changeset	504 else
9da21501bc5b * include/hal_intr.h: nickg parents: 2580 diff changeset	505 us -= t1 - t0;
2580 07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	506 t0 = t1;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	507 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	508 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	509
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	510 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	511 // C++ support - run initial constructors
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	512
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	513 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	514 cyg_bool cyg_hal_stop_constructors;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	515 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	516
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	517 typedef void (*pfunc) (void);
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	518
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	519 extern pfunc __init_array_start__[];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	520 extern pfunc __init_array_end__[];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	521 #define CONSTRUCTORS_START (__init_array_start__[0])
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	522 #define CONSTRUCTORS_END (__init_array_end__)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	523 #define NEXT_CONSTRUCTOR(c) ((c)++)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	524
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	525 void
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	526 cyg_hal_invoke_constructors (void)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	527 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	528 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	529 static pfunc *p = &CONSTRUCTORS_START;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	530
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	531 cyg_hal_stop_constructors = 0;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	532 for (; p != CONSTRUCTORS_END; NEXT_CONSTRUCTOR(p)) {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	533 (*p)();
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	534 if (cyg_hal_stop_constructors) {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	535 NEXT_CONSTRUCTOR(p);
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	536 break;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	537 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	538 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	539 #else
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	540 pfunc *p;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	541
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	542 for (p = &CONSTRUCTORS_START; p != CONSTRUCTORS_END; NEXT_CONSTRUCTOR(p))
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	543 (*p)();
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	544 #endif
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	545 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	546
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	547 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	548 // Architecture default ISR
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	549
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	550 __externC cyg_uint32
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	551 hal_arch_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	552 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	553 CYG_TRACE1(true, "Interrupt: %d", vector);
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	554
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	555 CYG_FAIL("Spurious Interrupt!!!");
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	556
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	557 return 0;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	558 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	559
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	560 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	561 // GDB support
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	562 //
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	563 // These functions translate between HAL saved contexts and GDB
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	564 // register dumps.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	565
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	566 __externC void hal_get_gdb_registers( HAL_CORTEXM_GDB_Registers gdbreg, HAL_SavedRegisters regs )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	567 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	568 int i;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	569 cyg_uint32 *p = gdbreg->f0;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	570
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	571 switch( regs->u.type )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	572 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	573 case HAL_SAVEDREGISTERS_THREAD:
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	574 for( i = 0; i < 13; i++ )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	575 gdbreg->gpr[i] = regs->u.thread.r[i];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	576 gdbreg->gpr[13] = regs->u.thread.sp;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	577 gdbreg->gpr[14] = regs->u.thread.pc;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	578 gdbreg->gpr[15] = regs->u.thread.pc;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	579 gdbreg->ps = 0x01000000;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	580 break;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	581
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	582 case HAL_SAVEDREGISTERS_EXCEPTION:
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	583 gdbreg->gpr[0] = regs->u.exception.r0;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	584 gdbreg->gpr[1] = regs->u.exception.r1;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	585 gdbreg->gpr[2] = regs->u.exception.r2;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	586 gdbreg->gpr[3] = regs->u.exception.r3;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	587 for( i = 0; i < 8; i++ )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	588 gdbreg->gpr[i+4] = regs->u.exception.r4_11[i];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	589 gdbreg->gpr[12] = regs->u.exception.r12;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	590 gdbreg->gpr[13] = ((cyg_uint32)regs)+sizeof(regs->u.exception);
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	591 gdbreg->gpr[14] = regs->u.exception.lr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	592 gdbreg->gpr[15] = regs->u.exception.pc;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	593 gdbreg->ps = regs->u.exception.psr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	594 break;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	595
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	596 case HAL_SAVEDREGISTERS_INTERRUPT:
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	597 gdbreg->gpr[0] = regs->u.interrupt.r0;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	598 gdbreg->gpr[1] = regs->u.interrupt.r1;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	599 gdbreg->gpr[2] = regs->u.interrupt.r2;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	600 gdbreg->gpr[3] = regs->u.interrupt.r3;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	601 gdbreg->gpr[12] = regs->u.interrupt.r12;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	602 gdbreg->gpr[13] = ((cyg_uint32)regs)+sizeof(regs->u.interrupt);
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	603 gdbreg->gpr[14] = regs->u.interrupt.lr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	604 gdbreg->gpr[15] = regs->u.interrupt.pc;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	605 gdbreg->ps = regs->u.interrupt.psr;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	606 break;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	607 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	608
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	609 // Clear FP state, which we don't use
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	610 for( i = 0; i < (8*3+1); i++ )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	611 p[i] = 0;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	612
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	613 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	614
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	615 __externC void hal_set_gdb_registers( HAL_CORTEXM_GDB_Registers gdbreg, HAL_SavedRegisters regs )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	616 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	617 int i;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	618
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	619 switch( regs->u.type )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	620 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	621 case HAL_SAVEDREGISTERS_THREAD:
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	622 for( i = 0; i < 13; i++ )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	623 regs->u.thread.r[i] = gdbreg->gpr[i];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	624 regs->u.thread.sp = gdbreg->gpr[13];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	625 regs->u.thread.pc = gdbreg->gpr[14];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	626 regs->u.thread.pc = gdbreg->gpr[15];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	627 break;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	628
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	629 case HAL_SAVEDREGISTERS_EXCEPTION:
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	630 regs->u.exception.r0 = gdbreg->gpr[0];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	631 regs->u.exception.r1 = gdbreg->gpr[1];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	632 regs->u.exception.r2 = gdbreg->gpr[2];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	633 regs->u.exception.r3 = gdbreg->gpr[3];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	634 for( i = 0; i < 8; i++ )
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	635 regs->u.exception.r4_11[i] = gdbreg->gpr[i+4];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	636 regs->u.exception.r12 = gdbreg->gpr[12];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	637 regs->u.exception.lr = gdbreg->gpr[14];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	638 regs->u.exception.pc = gdbreg->gpr[15];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	639 regs->u.exception.psr = gdbreg->ps;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	640 break;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	641
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	642 case HAL_SAVEDREGISTERS_INTERRUPT:
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	643 regs->u.interrupt.r0 = gdbreg->gpr[0];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	644 regs->u.interrupt.r1 = gdbreg->gpr[1];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	645 regs->u.interrupt.r2 = gdbreg->gpr[2];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	646 regs->u.interrupt.r3 = gdbreg->gpr[3];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	647 regs->u.interrupt.r12 = gdbreg->gpr[12];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	648 regs->u.interrupt.lr = gdbreg->gpr[14];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	649 regs->u.interrupt.pc = gdbreg->gpr[15];
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	650 regs->u.interrupt.psr = gdbreg->ps;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	651 break;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	652 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	653 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	654
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	655 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	656 // When compiling C++ code with static objects the compiler
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	657 // inserts a call to __cxa_atexit() with __dso_handle as one of the
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	658 // arguments. __cxa_atexit() would normally be provided by glibc, and
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	659 // __dso_handle is part of crtstuff.c. eCos applications
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	660 // are linked rather differently, so either a differently-configured
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	661 // compiler is needed or dummy versions of these symbols should be
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	662 // provided. If these symbols are not actually used then providing
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	663 // them is still harmless, linker garbage collection will remove them.
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	664
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	665 void
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	666 __cxa_atexit(void (arg1)(void), void* arg2, void* arg3)
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	667 {
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	668 }
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	669
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	670 void* __dso_handle = (void*) &__dso_handle;
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	671
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	672 //==========================================================================
07fc475e1c28 Add Cortex-M architecture HAL, STM32 variant and STM3210E platform HALs. nickg parents: diff changeset	673 // EOF hal_misc.c

Mercurial > ecos

annotate packages/hal/cortexm/arch/current/src/hal_misc.c @ 2589:9da21501bc5b