Mercurial > ecos
changeset 42:94fd8fbfe8fe ecos-sw-1999-10-05
Merge from eCos master repository on 1999-10-05-12:38:44-BST
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--- a/packages/hal/arm/cl7211/current/ChangeLog +++ b/packages/hal/arm/cl7211/current/ChangeLog @@ -1,3 +1,7 @@ +1999-10-04 Gary Thomas <gthomas@cygnus.co.uk> + * include/hal_platform_setup.h: Allow ROM applications to be linked + at "ram" addresses and be automatically relocated at startup time. + 1999-09-15 Gary Thomas <gthomas@cygnus.co.uk> * misc/nand_test.c (nand_exercise): Check "read ID" function.
--- a/packages/hal/arm/cl7211/current/include/hal_platform_setup.h +++ b/packages/hal/arm/cl7211/current/include/hal_platform_setup.h @@ -242,22 +242,26 @@ 20: nop ;\ 10: #else // EP7211, 720T processor -#define MMU_INITIALIZE \ - ldr r1,=MMU_Control_Init ;\ - mcr MMU_CP,0,r1,MMU_Control,c0 /* MMU off */ ;\ - ldr r1,=MMU_BASE ;\ - mcr MMU_CP,0,r1,MMU_Base,c0 ;\ - mcr MMU_CP,0,r1,MMU_TLB,c7,0 /* Invalidate TLB - 720 style */ ;\ - mcr MMU_CP,0,r1,MMU_FlushIDC,c0,0 /* Invalidate Caches */ ;\ - ldr r1,=0xFFFFFFFF ;\ - mcr MMU_CP,0,r1,MMU_DomainAccess,c0 ;\ - ldr r2,=10f ;\ - ldr r1,=MMU_Control_Init|MMU_Control_M ;\ - mcr MMU_CP,0,r1,MMU_Control,c0 ;\ - mov pc,r2 /* Change address spaces */ ;\ - nop ;\ - nop ;\ - nop ;\ +#define MMU_INITIALIZE ;\ + ldr r1,=MMU_Control_Init ;\ + mcr MMU_CP,0,r1,MMU_Control,c0 /* MMU off */ ;\ + ldr r1,=MMU_BASE ;\ + mcr MMU_CP,0,r1,MMU_Base,c0 ;\ + mcr MMU_CP,0,r1,MMU_TLB,c7,0 /* Invalidate TLB - 720 style */ ;\ + mcr MMU_CP,0,r1,MMU_FlushIDC,c0,0 /* Invalidate Caches */ ;\ + ldr r1,=0xFFFFFFFF ;\ + mcr MMU_CP,0,r1,MMU_DomainAccess,c0 ;\ + ldr r2,=10f ;\ + ldr r3,=__exception_handlers ;\ + sub r2,r2,r3 ;\ + ldr r3,=ROM0_LA_START ;\ + add r2,r2,r3 ;\ + ldr r1,=MMU_Control_Init|MMU_Control_M ;\ + mcr MMU_CP,0,r1,MMU_Control,c0 ;\ + mov pc,r2 /* Change address spaces */ ;\ + nop ;\ + nop ;\ + nop ;\ 10: #endif @@ -392,7 +396,18 @@ 10: orr r0,r5,r6 cmp r3,r4 ;\ bne 10b ;\ /* Now initialize the MMU to use this new page table */ ;\ - MMU_INITIALIZE + MMU_INITIALIZE ;\ + ldr r2,=__exception_handlers ;\ + ldr r3,=ROM0_LA_START ;\ + cmp r2,r3 ;\ + beq 20f ;\ + ldr r4,=__rom_data_end ;\ +15: ;\ + ldr r0,[r3],#4 ;\ + str r0,[r2],#4 ;\ + cmp r2,r4 ;\ + bne 15b ;\ +20: #else
--- a/packages/hal/arm/cl7211/current/src/cl7211_misc.c +++ b/packages/hal/arm/cl7211/current/src/cl7211_misc.c @@ -236,6 +236,12 @@ void hal_hardware_init(void) HAL_ICACHE_INVALIDATE_ALL(); HAL_ICACHE_ENABLE(); // Any hardware/platform initialization that needs to be done. + *(volatile cyg_uint32 *)INTMR1 = 0; + *(volatile cyg_uint32 *)INTMR2 = 0; +#if !defined(__CL7111) + *(volatile cyg_uint32 *)INTMR3 = 0; + *(volatile cyg_uint8 *)SYSCON3 = SYSCON3_CLKCTL(CPU_CLOCK); +#endif #if 0 diag_printf("IMR1: %04x, IMR2: %04x\n", *(volatile cyg_uint32 *)INTMR1, @@ -246,12 +252,6 @@ void hal_hardware_init(void) *(volatile cyg_uint8 *)DRFPR); #endif // Reset all interrupt masks (disable all interrupt sources) - *(volatile cyg_uint32 *)INTMR1 = 0; - *(volatile cyg_uint32 *)INTMR2 = 0; -#if !defined(__CL7111) - *(volatile cyg_uint32 *)INTMR3 = 0; - *(volatile cyg_uint8 *)SYSCON3 = SYSCON3_CLKCTL(CPU_CLOCK); -#endif for (vector = CYGNUM_HAL_ISR_MIN; vector < CYGNUM_HAL_ISR_COUNT; vector++) { icr = (volatile cyg_uint32 *)hal_interrupt_clear_map[vector]; if (icr) *icr = 0; // Just a write clears the latch
--- a/packages/hal/i386/arch/current/ChangeLog +++ b/packages/hal/i386/arch/current/ChangeLog @@ -1,3 +1,7 @@ +1999-10-05 Jesper Skov <jskov@cygnus.co.uk> + From Andrew Lunn (lunn@ma.tech.ascom.ch) + * include/hal_arch.h (HAL_IDLE_THREAD_ACTION): Defined. + 1999-05-14 Jesper Skov <jskov@cygnus.co.uk> PR 18956 * src/i386.ld: Fixed problem with rel_got.
--- a/packages/hal/i386/arch/current/include/hal_arch.h +++ b/packages/hal/i386/arch/current/include/hal_arch.h @@ -185,9 +185,9 @@ externC void hal_longjmp(hal_jmp_buf env // chance to insert code. Typical idle thread behaviour might be to halt the // processor. -//externC void hal_idle_thread_action(cyg_uint32 loop_count); +externC void hal_idle_thread_action(cyg_uint32 loop_count); -#define HAL_IDLE_THREAD_ACTION(_count_) +#define HAL_IDLE_THREAD_ACTION(_count_) hal_idle_thread_action(_count_) //----------------------------------------------------------------------------- // Minimal and sensible stack sizes: the intention is that applications
--- a/packages/hal/i386/linux/current/ChangeLog +++ b/packages/hal/i386/linux/current/ChangeLog @@ -1,3 +1,14 @@ +1999-10-05 Jesper Skov <jskov@cygnus.co.uk> + + * include/pkgconf/hal_i386_linux.h: Changed to use REAL TIME as + default. + + From Andrew Lunn (lunn@ma.tech.ascom.ch) + * src/PKGconf.mak: + * src/linux_misc.c: [added] + * src/syscall-i386-linux-1.0.S: + Added idle thread action, reducing host load when eCos is idle. + 1999-08-16 John Dallaway <jld@cygnus.co.uk> * include/pkgconf/hal_i386_linux.h:
--- a/packages/hal/i386/linux/current/include/pkgconf/hal_i386_linux.h +++ b/packages/hal/i386/linux/current/include/pkgconf/hal_i386_linux.h @@ -60,18 +60,18 @@ display "Use Linux real-time timer" parent CYGPKG_HAL_I386_LINUX description " - By default the eCos timer will driven by a virtual timer, - meaning that it will only tick when the Linux task is - executing. This prevents (to some degree) time skew in - the eCos kernel due to heavy load on Linux. By checking - this option, the eCos timer can be driven by the Linux - real-time timer instead." + Using the real-time timer to drive the eCos RTC allows the + eCos idle loop to call select(2) and thus not put any load + on the host machine. + Deselecting this option means the virtual timer will be used + instead. This may prevent (to some degree) time skew in the + eCos kernel, especially if the host machine has a high load." } }}CFG_DATA */ #define CYGHWR_HAL_I386_LINUX_STARTUP ram -#undef CYGSEM_HAL_I386_LINUX_REAL_TIME +#define CYGSEM_HAL_I386_LINUX_REAL_TIME // Real-time clock/counter specifics
--- a/packages/hal/i386/linux/current/src/PKGconf.mak +++ b/packages/hal/i386/linux/current/src/PKGconf.mak @@ -34,7 +34,7 @@ include ../../../../../pkgconf/pkgconf.m LIBRARY := libtarget.a COMPILE := hal_diag.c hal_startup.c syscall-i386-linux-1.0.S entry.c \ - linux.S + linux.S linux_misc.c OTHER_OBJS := OTHER_TARGETS := OTHER_CLEAN :=
new file mode 100644 --- /dev/null +++ b/packages/hal/i386/linux/current/src/linux_misc.c @@ -0,0 +1,72 @@ +//============================================================================= +// +// linux_misc.c +// +// Misc code for the Linux HAL +// +//============================================================================= +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Cygnus eCos Public License +// Version 1.0 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://sourceware.cygnus.com/ecos +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Cygnus Operating System, released +// October 31, 1998. +// +// The Initial Developer of the Original Code is Cygnus. Portions created +// by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//============================================================================= +//#####DESCRIPTIONBEGIN#### +// +// Author(s): asl +// Contributors:asl +// Date: 1999-09-23 +// Purpose: Misc functions for the Linux HAL +// Description: Misc functions for the Linux HAL +// +//####DESCRIPTIONEND#### +// +//============================================================================= + +#include <pkgconf/hal.h> +#include <cyg/infra/cyg_type.h> // base types + +#ifdef CYGPKG_KERNEL +# include <pkgconf/kernel.h> +#endif + +// This in not correct, but it will do. +externC int cyg_hal_sys__newselect(int,int,int,int,int); + +// Here we define an action to do in the idle thread. For the +// synthetic architecture it makes no sence to spin eating processor +// time that other processes could make use of. Instead we call +// select. The itimer will still go off and kick the schedular back +// into life so giving up an escape path from the select. There is one +// catch 22. This only works if we are using the real time clock for +// itimer, not the virtual clock. The virtual clock works on time the +// process actually uses. When its sitting in the select it does not +// use any time, so the timer does not expire! Also we don't do a +// select when the THREAD_YIELD optin is in use since we want the +// yield to be called regularly. + +void +hal_idle_thread_action(cyg_uint32 loop_count) +{ +#ifndef CYGIMP_IDLE_THREAD_YIELD +#ifdef CYGSEM_HAL_I386_LINUX_REAL_TIME + cyg_hal_sys__newselect(0,0,0,0,0); +#endif +#endif +}
--- a/packages/hal/i386/linux/current/src/syscall-i386-linux-1.0.S +++ b/packages/hal/i386/linux/current/src/syscall-i386-linux-1.0.S @@ -344,9 +344,9 @@ NAME(x): //========================================================================= // exit 1 select 82 // fork 2 socketcall 102 -// read 3 readv 145 -// write 4 writev 146 -// open 5 +// read 3 newselect 142 +// write 4 readv 145 +// open 5 writev 146 // creat 8 // link 9 // unlink 10 @@ -356,7 +356,7 @@ NAME(x): // chown 16 // lseek 19 // rename 38 -// dup 41 +// dup 41 // pipe 42 // ioctl 54 // fcntl 55 @@ -575,3 +575,6 @@ SYSCALL3(readv) SYSCALL3(writev) #endif +//========================================================================== +// machdep_sys_newselect() +SYSCALL5(_newselect)
--- a/packages/language/c/libc/current/ChangeLog +++ b/packages/language/c/libc/current/ChangeLog @@ -1,3 +1,10 @@ +1999-10-01 Jonathan Larmour <jlarmour@cygnus.co.uk> + + * include/pkgconf/libc.h (CYGDAT_LIBC_STDIO_DEFAULT_CONSOLE): Change + default to /dev/ttydiag to get correct console-like behaviour + Also don't preclude use if haldiag package isn't included + (case 102065) + 1999-09-15 Jesper Skov <jskov@cygnus.co.uk> * tests/signal/signal2.c (cause_fpe): Try both float and integer
--- a/packages/language/c/libc/current/include/pkgconf/libc.h +++ b/packages/language/c/libc/current/include/pkgconf/libc.h @@ -466,7 +466,6 @@ type boolean parent CYGPKG_LIBC requires CYGPKG_IO - requires CYGPKG_IO_SERIAL_HALDIAG } cdl_option CYGIMP_LIBC_STDIO_INLINES { @@ -619,7 +618,7 @@ the name of a device. The name of the device depends on the device drivers you have configured in your system. For example, - /dev/haldiag could be the HAL diagnostic output + /dev/ttydiag could be the HAL diagnostic output pseudo-device, or /dev/tty0 could be your first serial driver, depending on your configuration." @@ -739,7 +738,7 @@ // // So what is the name of the device that is the default console device -#define CYGDAT_LIBC_STDIO_DEFAULT_CONSOLE "/dev/haldiag" +#define CYGDAT_LIBC_STDIO_DEFAULT_CONSOLE "/dev/ttydiag" #define CYGSEM_LIBC_STDIO_PRINTF_FLOATING_POINT