ecos: packages/hal/arm/arch/current/src/redboot_linux

annotate packages/hal/arm/arch/current/src/redboot_linux_exec.c @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

Update all copyright banners to reflect FSF ownership; fix and improve licence text.

author	jlarmour
date	Thu, 29 Jan 2009 17:47:46 +0000
parents	b2fa19bf91f1
children

rev	line source
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	1 //==========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	2 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	3 // redboot_linux_boot.c
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	4 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	5 // RedBoot command to boot Linux on ARM platforms
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	6 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	7 //==========================================================================
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	8 // ####ECOSGPLCOPYRIGHTBEGIN####
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	9 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	10 // This file is part of eCos, the Embedded Configurable Operating System.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	11 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	12 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	13 // eCos is free software; you can redistribute it and/or modify it under
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	14 // the terms of the GNU General Public License as published by the Free
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	15 // Software Foundation; either version 2 or (at your option) any later
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	16 // version.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	17 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	18 // eCos is distributed in the hope that it will be useful, but WITHOUT
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	21 // for more details.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	22 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	23 // You should have received a copy of the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	26 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	27 // As a special exception, if other files instantiate templates or use
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	28 // macros or inline functions from this file, or you compile this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	29 // and link it with other works to produce a work based on this file,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	30 // this file does not by itself cause the resulting work to be covered by
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	31 // the GNU General Public License. However the source code for this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	32 // must still be made available in accordance with section (3) of the GNU
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	33 // General Public License v2.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	34 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	35 // This exception does not invalidate any other reasons why a work based
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	36 // on this file might be covered by the GNU General Public License.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	37 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1955 diff changeset	38 // ####ECOSGPLCOPYRIGHTEND####
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	39 //####OTHERCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	40 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	41 // The structure definitions below are taken from include/asm-arm/setup.h in
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	42 // the Linux kernel, Copyright (C) 1997-1999 Russell King. Their presence
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	43 // here is for the express purpose of communication with the Linux kernel
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	44 // being booted and is considered 'fair use' by the original author and
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	45 // are included with his permission.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	46 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	47 //####OTHERCOPYRIGHTEND####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	48 //==========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	49 //#####DESCRIPTIONBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	50 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	51 // Author(s): gthomas
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	52 // Contributors: gthomas, jskov,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	53 // Russell King <rmk@arm.linux.org.uk>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	54 // Date: 2001-02-20
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	55 // Purpose:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	56 // Description:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	57 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	58 // This code is part of RedBoot (tm).
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	59 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	60 //####DESCRIPTIONEND####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	61 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	62 //==========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	63
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	64 #include <pkgconf/hal.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	65 #include <redboot.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	66
821 fa95d14326ad linux exec fix msalter parents: 610 diff changeset	67 #ifdef CYGPKG_IO_ETH_DRIVERS
fa95d14326ad linux exec fix msalter parents: 610 diff changeset	68 #include <cyg/io/eth/eth_drv.h> // Logical driver interfaces
fa95d14326ad linux exec fix msalter parents: 610 diff changeset	69 #endif
fa95d14326ad linux exec fix msalter parents: 610 diff changeset	70
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	71 #include <cyg/hal/hal_intr.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	72 #include <cyg/hal/hal_cache.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	73 #include CYGHWR_MEMORY_LAYOUT_H
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	74
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	75 #include <cyg/hal/hal_io.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	76
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	77 #ifndef CYGARC_PHYSICAL_ADDRESS
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	78 # error
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	79 # define CYGARC_PHYSICAL_ADDRESS(x) (x)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	80 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	81
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	82 // FIXME: This should be a CDL variable, and CYGSEM_REDBOOT_ARM_LINUX_BOOT
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	83 // active_if CYGHWR_HAL_ARM_REDBOOT_MACHINE_TYPE>0
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	84 #ifdef HAL_PLATFORM_MACHINE_TYPE
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	85 #define CYGHWR_REDBOOT_ARM_MACHINE_TYPE HAL_PLATFORM_MACHINE_TYPE
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	86
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	87 // Exported CLI function(s)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	88 static void do_exec(int argc, char *argv[]);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	89 RedBoot_cmd("exec",
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	90 "Execute an image - with MMU off",
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	91 "[-w timeout] [-b <load addr> [-l <length>]]\n"
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	92 " [-r <ramdisk addr> [-s <ramdisk length>]]\n"
1955 b2fa19bf91f1 * src/redboot_linux_exec.c: Added -t option which takes the asl parents: 1899 diff changeset	93 " [-c \"kernel command line\"] [-t <target> ] [<entry_point>]",
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	94 do_exec
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	95 );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	96
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	97 // CYGARC_HAL_MMU_OFF inserts code to turn off MMU and jump to a physical
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	98 // address. Some ARM implementations may need special handling and define
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	99 // their own version.
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	100 #ifndef CYGARC_HAL_MMU_OFF
1742 aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	101
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	102 #define __CYGARC_GET_CTLREG \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	103 " mrc p15,0,r0,c1,c0,0\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	104
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	105 #define __CYGARC_CLR_MMU_BITS \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	106 " bic r0,r0,#0xd\n" \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	107 " bic r0,r0,#0x1000\n" \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	108
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	109 #ifdef CYGHWR_HAL_ARM_BIGENDIAN
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	110 #define __CYGARC_CLR_MMU_BITS_X \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	111 " bic r0,r0,#0x8d\n" \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	112 " bic r0,r0,#0x1000\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	113 #else
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	114 #define __CYGARC_CLR_MMU_BITS_X \
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	115 " bic r0,r0,#0xd\n" \
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	116 " bic r0,r0,#0x1000\n" \
1742 aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	117 " orr r0,r0,#0x80\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	118 #endif
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	119
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	120 #define __CYGARC_SET_CTLREG(__paddr__) \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	121 " mcr p15,0,r0,c1,c0,0\n" \
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	122 " mov pc," #__paddr__ "\n"
1742 aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	123
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	124 #define CYGARC_HAL_MMU_OFF(__paddr__) \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	125 " mcr p15,0,r0,c7,c10,4\n" \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	126 " mcr p15,0,r0,c7,c7,0\n" \
1899 72c130f0a30d * src/redboot_linux_exec.c (CYGARC_HAL_MMU_OFF_X): Fix compiler asl parents: 1742 diff changeset	127 __CYGARC_GET_CTLREG \
1742 aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	128 __CYGARC_CLR_MMU_BITS \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	129 __CYGARC_SET_CTLREG(__paddr__)
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	130
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	131 #define CYGARC_HAL_MMU_OFF_X(__paddr__) \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	132 " mcr p15,0,r0,c7,c10,4\n" \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	133 " mcr p15,0,r0,c7,c7,0\n" \
1899 72c130f0a30d * src/redboot_linux_exec.c (CYGARC_HAL_MMU_OFF_X): Fix compiler asl parents: 1742 diff changeset	134 __CYGARC_GET_CTLREG \
1742 aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	135 __CYGARC_CLR_MMU_BITS_X \
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	136 __CYGARC_SET_CTLREG(__paddr__)
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	137
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	138 #endif // CYGARC_HAL_MMU_OFF
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	139
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	140 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	141 // Parameter info for Linux kernel
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	142 // C A U T I O N This setup must match "asm-arm/setup.h"
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	143 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	144 // Info is passed at a fixed location, using a sequence of tagged
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	145 // data entries.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	146 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	147
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	148 typedef unsigned long u32;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	149 typedef unsigned short u16;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	150 typedef unsigned char u8;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	151
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	152 //=========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	153 // From Linux <asm-arm/setup.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	154
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	155 #define ATAG_NONE 0x00000000
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	156 struct tag_header {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	157 u32 size; // Size of tag (hdr+data) in longwords
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	158 u32 tag;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	159 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	160
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	161 #define ATAG_CORE 0x54410001
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	162 struct tag_core {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	163 u32 flags; /* bit 0 = read-only */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	164 u32 pagesize;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	165 u32 rootdev;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	166 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	167
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	168 #define ATAG_MEM 0x54410002
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	169 struct tag_mem32 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	170 u32 size;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	171 u32 start;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	172 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	173
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	174 #define ATAG_VIDEOTEXT 0x54410003
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	175 struct tag_videotext {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	176 u8 x;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	177 u8 y;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	178 u16 video_page;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	179 u8 video_mode;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	180 u8 video_cols;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	181 u16 video_ega_bx;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	182 u8 video_lines;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	183 u8 video_isvga;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	184 u16 video_points;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	185 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	186
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	187 #define ATAG_RAMDISK 0x54410004
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	188 struct tag_ramdisk {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	189 u32 flags; /* b0 = load, b1 = prompt */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	190 u32 size;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	191 u32 start;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	192 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	193
498 ae6f2695b07a Misc fixes to Linux boot code - from Patrick Doyle gthomas parents: 212 diff changeset	194 /*
ae6f2695b07a Misc fixes to Linux boot code - from Patrick Doyle gthomas parents: 212 diff changeset	195 * this one accidentally used virtual addresses - as such,
524 9ffbb7d747b0 Fix spelling typo in comment jlarmour parents: 498 diff changeset	196 * its deprecated.
498 ae6f2695b07a Misc fixes to Linux boot code - from Patrick Doyle gthomas parents: 212 diff changeset	197 */
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	198 #define ATAG_INITRD 0x54410005
498 ae6f2695b07a Misc fixes to Linux boot code - from Patrick Doyle gthomas parents: 212 diff changeset	199
ae6f2695b07a Misc fixes to Linux boot code - from Patrick Doyle gthomas parents: 212 diff changeset	200 /* describes where the compressed ramdisk image lives (physical address) */
ae6f2695b07a Misc fixes to Linux boot code - from Patrick Doyle gthomas parents: 212 diff changeset	201 #define ATAG_INITRD2 0x54420005
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	202 struct tag_initrd {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	203 u32 start;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	204 u32 size;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	205 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	206
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	207 #define ATAG_SERIAL 0x54410006
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	208 struct tag_serialnr {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	209 u32 low;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	210 u32 high;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	211 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	212
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	213 #define ATAG_REVISION 0x54410007
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	214 struct tag_revision {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	215 u32 rev;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	216 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	217
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	218 #define ATAG_VIDEOLFB 0x54410008
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	219 struct tag_videolfb {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	220 u16 lfb_width;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	221 u16 lfb_height;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	222 u16 lfb_depth;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	223 u16 lfb_linelength;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	224 u32 lfb_base;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	225 u32 lfb_size;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	226 u8 red_size;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	227 u8 red_pos;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	228 u8 green_size;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	229 u8 green_pos;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	230 u8 blue_size;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	231 u8 blue_pos;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	232 u8 rsvd_size;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	233 u8 rsvd_pos;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	234 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	235
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	236 #define ATAG_CMDLINE 0x54410009
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	237 struct tag_cmdline {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	238 char cmdline[1];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	239 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	240
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	241 #define ATAG_ACORN 0x41000101
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	242 struct tag_acorn {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	243 u32 memc_control_reg;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	244 u32 vram_pages;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	245 u8 sounddefault;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	246 u8 adfsdrives;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	247 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	248
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	249 #define ATAG_MEMCLK 0x41000402
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	250 struct tag_memclk {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	251 u32 fmemclk;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	252 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	253
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	254 struct tag {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	255 struct tag_header hdr;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	256 union {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	257 struct tag_core core;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	258 struct tag_mem32 mem;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	259 struct tag_videotext videotext;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	260 struct tag_ramdisk ramdisk;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	261 struct tag_initrd initrd;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	262 struct tag_serialnr serialnr;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	263 struct tag_revision revision;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	264 struct tag_videolfb videolfb;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	265 struct tag_cmdline cmdline;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	266
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	267 /*
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	268 * Acorn specific
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	269 */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	270 struct tag_acorn acorn;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	271
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	272 /*
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	273 * DC21285 specific
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	274 */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	275 struct tag_memclk memclk;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	276 } u;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	277 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	278
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	279 // End of inclusion from <asm-arm/setup.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	280 //=========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	281
600 a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	282 // Default memory layout - can be overridden by platform, typically in
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	283 // <cyg/hal/plf_io.h>
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	284 #ifndef CYGHWR_REDBOOT_LINUX_ATAG_MEM
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	285 #define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_) \
607 bb6fe957336b Add CYG_MACRO_START/END markers for completeness. gthomas parents: 600 diff changeset	286 CYG_MACRO_START \
600 a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	287 /* Next ATAG_MEM. */ \
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	288 _p_->hdr.size = (sizeof(struct tag_mem32) + sizeof(struct tag_header))/sizeof(long); \
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	289 _p_->hdr.tag = ATAG_MEM; \
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	290 /* Round up so there's only one bit set in the memory size. \
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	291 * Don't double it if it's already a power of two, though. \
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	292 */ \
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	293 _p_->u.mem.size = 1<<hal_msbindex(CYGMEM_REGION_ram_SIZE); \
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	294 if (_p_->u.mem.size < CYGMEM_REGION_ram_SIZE) \
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	295 _p_->u.mem.size <<= 1; \
607 bb6fe957336b Add CYG_MACRO_START/END markers for completeness. gthomas parents: 600 diff changeset	296 _p_->u.mem.start = CYGARC_PHYSICAL_ADDRESS(CYGMEM_REGION_ram); \
bb6fe957336b Add CYG_MACRO_START/END markers for completeness. gthomas parents: 600 diff changeset	297 CYG_MACRO_END
600 a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	298 #endif
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	299
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	300
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	301 // Round up a quantity to a longword (32 bit) length
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	302 #define ROUNDUP(n) (((n)+3)&~3)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	303
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	304 static void
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	305 do_exec(int argc, char *argv[])
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	306 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	307 unsigned long entry;
1955 b2fa19bf91f1 * src/redboot_linux_exec.c: Added -t option which takes the asl parents: 1899 diff changeset	308 unsigned long target;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	309 unsigned long oldints;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	310 bool wait_time_set;
1742 aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	311 int wait_time, res, num_opts;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	312 bool base_addr_set, length_set, cmd_line_set;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	313 bool ramdisk_addr_set, ramdisk_size_set;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	314 unsigned long base_addr, length;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	315 unsigned long ramdisk_addr, ramdisk_size;
1742 aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	316 struct option_info opts[7];
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	317 char line[8];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	318 char *cmd_line;
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	319 struct tag params = (struct tag )CYGHWR_REDBOOT_ARM_LINUX_TAGS_ADDRESS;
1742 aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	320 #ifdef CYGHWR_REDBOOT_LINUX_EXEC_X_SWITCH
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	321 bool swap_endian;
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	322 extern char __xtramp_start__[], __xtramp_end__[];
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	323 #endif
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	324 extern char __tramp_start__[], __tramp_end__[];
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	325
1688 30d12b1c7bb0 Fix test for valid entry point (loaded data) gthomas parents: 1661 diff changeset	326 // Check to see if a valid image has been loaded
30d12b1c7bb0 Fix test for valid entry point (loaded data) gthomas parents: 1661 diff changeset	327 if (entry_address == (unsigned long)NO_MEMORY) {
30d12b1c7bb0 Fix test for valid entry point (loaded data) gthomas parents: 1661 diff changeset	328 diag_printf("Can't execute Linux - invalid entry address\n");
30d12b1c7bb0 Fix test for valid entry point (loaded data) gthomas parents: 1661 diff changeset	329 return;
30d12b1c7bb0 Fix test for valid entry point (loaded data) gthomas parents: 1661 diff changeset	330 }
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	331 // Default physical entry point for Linux is kernel base.
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	332 entry = (unsigned long)CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS;
1955 b2fa19bf91f1 * src/redboot_linux_exec.c: Added -t option which takes the asl parents: 1899 diff changeset	333 target = (unsigned long)CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS;
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	334
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	335 base_addr = load_address;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	336 length = load_address_end - load_address;
498 ae6f2695b07a Misc fixes to Linux boot code - from Patrick Doyle gthomas parents: 212 diff changeset	337 // Round length up to the next quad word
ae6f2695b07a Misc fixes to Linux boot code - from Patrick Doyle gthomas parents: 212 diff changeset	338 length = (length + 3) & ~0x3;
ae6f2695b07a Misc fixes to Linux boot code - from Patrick Doyle gthomas parents: 212 diff changeset	339
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	340 ramdisk_size = 4096*1024;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	341 init_opts(&opts[0], 'w', true, OPTION_ARG_TYPE_NUM,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	342 (void *)&wait_time, (bool )&wait_time_set, "wait timeout");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	343 init_opts(&opts[1], 'b', true, OPTION_ARG_TYPE_NUM,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	344 (void *)&base_addr, (bool )&base_addr_set, "base address");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	345 init_opts(&opts[2], 'l', true, OPTION_ARG_TYPE_NUM,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	346 (void *)&length, (bool )&length_set, "length");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	347 init_opts(&opts[3], 'c', true, OPTION_ARG_TYPE_STR,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	348 (void *)&cmd_line, (bool )&cmd_line_set, "kernel command line");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	349 init_opts(&opts[4], 'r', true, OPTION_ARG_TYPE_NUM,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	350 (void *)&ramdisk_addr, (bool )&ramdisk_addr_set, "ramdisk_addr");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	351 init_opts(&opts[5], 's', true, OPTION_ARG_TYPE_NUM,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	352 (void *)&ramdisk_size, (bool )&ramdisk_size_set, "ramdisk_size");
1955 b2fa19bf91f1 * src/redboot_linux_exec.c: Added -t option which takes the asl parents: 1899 diff changeset	353 init_opts(&opts[6], 't', true, OPTION_ARG_TYPE_NUM,
b2fa19bf91f1 * src/redboot_linux_exec.c: Added -t option which takes the asl parents: 1899 diff changeset	354 &target, 0, "[physical] target address");
b2fa19bf91f1 * src/redboot_linux_exec.c: Added -t option which takes the asl parents: 1899 diff changeset	355 num_opts = 7;
1742 aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	356 #ifdef CYGHWR_REDBOOT_LINUX_EXEC_X_SWITCH
1955 b2fa19bf91f1 * src/redboot_linux_exec.c: Added -t option which takes the asl parents: 1899 diff changeset	357 init_opts(&opts[num_opts], 'x', false, OPTION_ARG_TYPE_FLG,
1742 aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	358 (void **)&swap_endian, 0, "swap endianess");
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	359 ++num_opts;
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	360 #endif
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	361 if (!scan_opts(argc, argv, 1, opts, num_opts, (void *)&entry, OPTION_ARG_TYPE_NUM, "[physical] starting address"))
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	362 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	363 return;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	364 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	365
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	366 // Set up parameters to pass to kernel
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	367
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	368 // CORE tag must be present & first
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	369 params->hdr.size = (sizeof(struct tag_core) + sizeof(struct tag_header))/sizeof(long);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	370 params->hdr.tag = ATAG_CORE;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	371 params->u.core.flags = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	372 params->u.core.pagesize = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	373 params->u.core.rootdev = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	374 params = (struct tag )((long )params + params->hdr.size);
607 bb6fe957336b Add CYG_MACRO_START/END markers for completeness. gthomas parents: 600 diff changeset	375
bb6fe957336b Add CYG_MACRO_START/END markers for completeness. gthomas parents: 600 diff changeset	376 // Fill in the details of the memory layout
610 9c94e977cc10 fix syntax error msalter parents: 607 diff changeset	377 CYGHWR_REDBOOT_LINUX_ATAG_MEM(params);
607 bb6fe957336b Add CYG_MACRO_START/END markers for completeness. gthomas parents: 600 diff changeset	378
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	379 params = (struct tag )((long )params + params->hdr.size);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	380 if (ramdisk_addr_set) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	381 params->hdr.size = (sizeof(struct tag_initrd) + sizeof(struct tag_header))/sizeof(long);
498 ae6f2695b07a Misc fixes to Linux boot code - from Patrick Doyle gthomas parents: 212 diff changeset	382 params->hdr.tag = ATAG_INITRD2;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	383 params->u.initrd.start = CYGARC_PHYSICAL_ADDRESS(ramdisk_addr);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	384 params->u.initrd.size = ramdisk_size;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	385 params = (struct tag )((long )params + params->hdr.size);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	386 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	387 if (cmd_line_set) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	388 params->hdr.size = (ROUNDUP(strlen(cmd_line)) + sizeof(struct tag_header))/sizeof(long);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	389 params->hdr.tag = ATAG_CMDLINE;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	390 strcpy(params->u.cmdline.cmdline, cmd_line);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	391 params = (struct tag )((long )params + params->hdr.size);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	392 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	393 // Mark end of parameter list
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	394 params->hdr.size = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	395 params->hdr.tag = ATAG_NONE;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	396
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	397 if (wait_time_set) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	398 int script_timeout_ms = wait_time * 1000;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	399 #ifdef CYGFUN_REDBOOT_BOOT_SCRIPT
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	400 unsigned char *hold_script = script;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	401 script = (unsigned char *)0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	402 #endif
1955 b2fa19bf91f1 * src/redboot_linux_exec.c: Added -t option which takes the asl parents: 1899 diff changeset	403 diag_printf("About to start execution of image at %p, entry point %p - abort with ^C within %d seconds\n",
b2fa19bf91f1 * src/redboot_linux_exec.c: Added -t option which takes the asl parents: 1899 diff changeset	404 (void )target, (void )entry, wait_time);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	405 while (script_timeout_ms >= CYGNUM_REDBOOT_CLI_IDLE_TIMEOUT) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	406 res = _rb_gets(line, sizeof(line), CYGNUM_REDBOOT_CLI_IDLE_TIMEOUT);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	407 if (res == _GETS_CTRLC) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	408 #ifdef CYGFUN_REDBOOT_BOOT_SCRIPT
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	409 script = hold_script; // Re-enable script
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	410 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	411 return;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	412 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	413 script_timeout_ms -= CYGNUM_REDBOOT_CLI_IDLE_TIMEOUT;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	414 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	415 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	416 if (!base_addr_set) {
600 a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	417 if ((base_addr == 0) \|\| (length == 0)) {
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	418 // Probably not valid - don't try it
607 bb6fe957336b Add CYG_MACRO_START/END markers for completeness. gthomas parents: 600 diff changeset	419 diag_printf("Base address unknown - use \"-b\" option\n");
600 a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	420 return;
a4f75ab7f357 Provide platform specific override for Linux memory layout. gthomas parents: 580 diff changeset	421 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	422 diag_printf("Using base address %p and length %p\n",
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	423 (void)base_addr, (void)length);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	424 } else if (base_addr_set && !length_set) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	425 diag_printf("Length required for non-standard base address\n");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	426 return;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	427 }
821 fa95d14326ad linux exec fix msalter parents: 610 diff changeset	428
fa95d14326ad linux exec fix msalter parents: 610 diff changeset	429 #ifdef CYGPKG_IO_ETH_DRIVERS
fa95d14326ad linux exec fix msalter parents: 610 diff changeset	430 eth_drv_stop();
fa95d14326ad linux exec fix msalter parents: 610 diff changeset	431 #endif
fa95d14326ad linux exec fix msalter parents: 610 diff changeset	432
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	433 HAL_DISABLE_INTERRUPTS(oldints);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	434 HAL_DCACHE_SYNC();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	435 HAL_ICACHE_DISABLE();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	436 HAL_DCACHE_DISABLE();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	437 HAL_DCACHE_SYNC();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	438 HAL_ICACHE_INVALIDATE_ALL();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	439 HAL_DCACHE_INVALIDATE_ALL();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	440
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	441 // Tricky code. We are currently running with the MMU on and the
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	442 // memory map possibly convoluted from 1-1. The trampoline code
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	443 // between labels __tramp_start__ and __tramp_end__ must be copied
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	444 // to RAM and then executed at the non-mapped address.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	445 //
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	446 // This magic was created in order to be able to execute standard
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	447 // Linux kernels with as little change/perturberance as possible.
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	448
1742 aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	449 #ifdef CYGHWR_REDBOOT_LINUX_EXEC_X_SWITCH
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	450 if (swap_endian) {
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	451 // copy the trampline code
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	452 memcpy((char *)CYGHWR_REDBOOT_ARM_TRAMPOLINE_ADDRESS,
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	453 __xtramp_start__,
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	454 __xtramp_end__ - __xtramp_start__);
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	455
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	456 asm volatile (
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	457 CYGARC_HAL_MMU_OFF_X(%5)
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	458 "__xtramp_start__:\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	459 " cmp %1,%4;\n" // Default kernel load address. Relocate
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	460 " beq 2f;\n" // kernel image there if necessary, and
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	461 " cmp %2,#0;\n" // if size is non-zero
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	462 " beq 2f;\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	463 "1:\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	464 " ldr r0,[%1],#4;\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	465 " eor %5, r0, r0, ror #16;\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	466 " bic %5, %5, #0x00ff0000;\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	467 " mov r0, r0, ror #8;\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	468 " eor r0, r0, %5, lsr #8;\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	469 " str r0,[%4],#4;\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	470 " subs %2,%2,#4;\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	471 " bne 1b;\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	472 "2:\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	473 " mov r0,#0;\n" // Set board type
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	474 " mov r1,%3;\n" // Machine type
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	475 " mov r2,%6;\n" // Kernel parameters
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	476 " mov pc,%0;\n" // Jump to kernel
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	477 "__xtramp_end__:\n"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	478 : :
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	479 "r"(entry),
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	480 "r"(CYGARC_PHYSICAL_ADDRESS(base_addr)),
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	481 "r"(length),
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	482 "r"(CYGHWR_REDBOOT_ARM_MACHINE_TYPE),
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	483 "r"(CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS),
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	484 "r"(CYGARC_PHYSICAL_ADDRESS(CYGHWR_REDBOOT_ARM_TRAMPOLINE_ADDRESS)),
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	485 "r"(CYGARC_PHYSICAL_ADDRESS(CYGHWR_REDBOOT_ARM_LINUX_TAGS_ADDRESS))
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	486 : "r0", "r1"
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	487 );
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	488 }
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	489 #endif // CYGHWR_REDBOOT_LINUX_EXEC_X_SWITCH
aaa68fc7d7f9 Add -x option to ARM RedBoot exec command msalter parents: 1688 diff changeset	490
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	491 // copy the trampline code
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	492 memcpy((char *)CYGHWR_REDBOOT_ARM_TRAMPOLINE_ADDRESS,
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	493 __tramp_start__,
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	494 __tramp_end__ - __tramp_start__);
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	495
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	496 asm volatile (
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	497 CYGARC_HAL_MMU_OFF(%5)
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	498 "__tramp_start__:\n"
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	499 " cmp %1,%4;\n" // Default kernel load address. Relocate
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	500 " beq 2f;\n" // kernel image there if necessary, and
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	501 " cmp %2,#0;\n" // if size is non-zero
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	502 " beq 2f;\n"
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	503 "1:\n"
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	504 " ldr r0,[%1],#4;\n"
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	505 " str r0,[%4],#4;\n"
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	506 " subs %2,%2,#4;\n"
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	507 " bne 1b;\n"
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	508 "2:\n"
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	509 " mov r0,#0;\n" // Set board type
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	510 " mov r1,%3;\n" // Machine type
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	511 " mov r2,%6;\n" // Kernel parameters
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	512 " mov pc,%0;\n" // Jump to kernel
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	513 "__tramp_end__:\n"
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	514 : :
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	515 "r"(entry),
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	516 "r"(CYGARC_PHYSICAL_ADDRESS(base_addr)),
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	517 "r"(length),
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	518 "r"(CYGHWR_REDBOOT_ARM_MACHINE_TYPE),
1955 b2fa19bf91f1 * src/redboot_linux_exec.c: Added -t option which takes the asl parents: 1899 diff changeset	519 "r"(target),
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	520 "r"(CYGARC_PHYSICAL_ADDRESS(CYGHWR_REDBOOT_ARM_TRAMPOLINE_ADDRESS)),
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	521 "r"(CYGARC_PHYSICAL_ADDRESS(CYGHWR_REDBOOT_ARM_LINUX_TAGS_ADDRESS))
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	522 : "r0", "r1"
94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	523 );
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	524 }
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	525
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	526 #endif // HAL_PLATFORM_MACHINE_TYPE - otherwise we do not support this stuff...
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	527
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	528 // EOF redboot_linux_exec.c

Mercurial > ecos

annotate packages/hal/arm/arch/current/src/redboot_linux_exec.c @ 2729:74dbf4c3f2e1 after-copyright-change-20090129