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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-02-22 17:53:43 +0100
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-02-26 21:18:12 +0100
commitb60eff31f3bd71a6f14b6c6efc8ad5fb3705de6d (patch)
treeb4bcab9f621f05187bde8a839613e2d6e34c1106 /arch/arm
parentd0b5d9da5de280120b73e776663f6a3024f225f4 (diff)
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arm: remove unneeded symbol offsets and _TEXT_BASE
Remove the last uses of symbol offsets in ARM U-Boot. Remove some needless uses of _TEXT_BASE. Remove all _TEXT_BASE definitions. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/cpu/arm1136/start.S27
-rw-r--r--arch/arm/cpu/arm1176/start.S27
-rw-r--r--arch/arm/cpu/arm720t/start.S26
-rw-r--r--arch/arm/cpu/arm920t/start.S26
-rw-r--r--arch/arm/cpu/arm926ejs/at91/lowlevel_init.S14
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/start.S27
-rw-r--r--arch/arm/cpu/arm926ejs/start.S27
-rw-r--r--arch/arm/cpu/arm946es/start.S26
-rw-r--r--arch/arm/cpu/arm_intcm/start.S26
-rw-r--r--arch/arm/cpu/armv7/omap3/lowlevel_init.S3
-rw-r--r--arch/arm/cpu/armv7/start.S23
-rw-r--r--arch/arm/cpu/pxa/start.S27
-rw-r--r--arch/arm/cpu/sa1100/start.S26
-rw-r--r--arch/arm/lib/board.c12
14 files changed, 7 insertions, 310 deletions
diff --git a/arch/arm/cpu/arm1136/start.S b/arch/arm/cpu/arm1136/start.S
index 00d1b30..3e2358e 100644
--- a/arch/arm/cpu/arm1136/start.S
+++ b/arch/arm/cpu/arm1136/start.S
@@ -70,32 +70,6 @@ _end_vect:
*************************************************************************
*/
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
#ifdef CONFIG_USE_IRQ
/* IRQ stack memory (calculated at run-time) */
.globl IRQ_STACK_START
@@ -295,7 +269,6 @@ cpu_init_crit:
#ifdef CONFIG_SPL_BUILD
.align 5
do_hang:
- ldr sp, _TEXT_BASE /* use 32 words about stack */
bl hang /* hang and never return */
#else /* !CONFIG_SPL_BUILD */
.align 5
diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S
index ffd7dd0..ce62011 100644
--- a/arch/arm/cpu/arm1176/start.S
+++ b/arch/arm/cpu/arm1176/start.S
@@ -77,33 +77,6 @@ _end_vect:
*************************************************************************
*/
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
/* IRQ stack memory (calculated at run-time) + 8 bytes */
.globl IRQ_STACK_START_IN
IRQ_STACK_START_IN:
diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S
index f180eb8..1a34842 100644
--- a/arch/arm/cpu/arm720t/start.S
+++ b/arch/arm/cpu/arm720t/start.S
@@ -67,32 +67,6 @@ _pad: .word 0x12345678 /* now 16*4=64 */
*************************************************************************
*/
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
#ifdef CONFIG_USE_IRQ
/* IRQ stack memory (calculated at run-time) */
.globl IRQ_STACK_START
diff --git a/arch/arm/cpu/arm920t/start.S b/arch/arm/cpu/arm920t/start.S
index a67b659..7bf094a 100644
--- a/arch/arm/cpu/arm920t/start.S
+++ b/arch/arm/cpu/arm920t/start.S
@@ -55,32 +55,6 @@ _fiq: .word fiq
*************************************************************************
*/
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
#ifdef CONFIG_USE_IRQ
/* IRQ stack memory (calculated at run-time) */
.globl IRQ_STACK_START
diff --git a/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S b/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S
index e83968f..a9ec81a 100644
--- a/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S
+++ b/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S
@@ -26,27 +26,18 @@
#define CONFIG_SYS_MATRIX_EBICSA_VAL CONFIG_SYS_MATRIX_EBI0CSA_VAL
#endif
-_TEXT_BASE:
- .word CONFIG_SYS_TEXT_BASE
-
.globl lowlevel_init
.type lowlevel_init,function
lowlevel_init:
- mov r5, pc /* r5 = POS1 + 4 current */
POS1:
+ adr r5, POS1 /* r5 = POS1 run time */
ldr r0, =POS1 /* r0 = POS1 compile */
- ldr r2, _TEXT_BASE
- sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */
sub r5, r5, r0 /* r0 = CONFIG_SYS_TEXT_BASE-1 */
- sub r5, r5, #4 /* r1 = text base - current */
/* memory control configuration 1 */
ldr r0, =SMRDATA
ldr r2, =SMRDATA1
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
add r0, r0, r5
add r2, r2, r5
0:
@@ -149,9 +140,6 @@ PLL_setup_end:
ldr r0, =SMRDATA1
ldr r2, =SMRDATA2
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
add r0, r0, r5
add r2, r2, r5
2:
diff --git a/arch/arm/cpu/arm926ejs/mxs/start.S b/arch/arm/cpu/arm926ejs/mxs/start.S
index 5de2bad..34a0fcb 100644
--- a/arch/arm/cpu/arm926ejs/mxs/start.S
+++ b/arch/arm/cpu/arm926ejs/mxs/start.S
@@ -101,32 +101,6 @@ fiq:
*************************************************************************
*/
-.globl _TEXT_BASE
-_TEXT_BASE:
-#ifdef CONFIG_SPL_TEXT_BASE
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
#ifdef CONFIG_USE_IRQ
/* IRQ stack memory (calculated at run-time) */
.globl IRQ_STACK_START
@@ -207,6 +181,5 @@ _reset:
bx lr
_hang:
- ldr sp, _TEXT_BASE /* switch to abort stack */
1:
bl 1b /* hang and never return */
diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S
index 5360f55..0717327 100644
--- a/arch/arm/cpu/arm926ejs/start.S
+++ b/arch/arm/cpu/arm926ejs/start.S
@@ -102,32 +102,6 @@ _fiq:
*************************************************************************
*/
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
#ifdef CONFIG_USE_IRQ
/* IRQ stack memory (calculated at run-time) */
.globl IRQ_STACK_START
@@ -330,7 +304,6 @@ flush_dcache:
#ifdef CONFIG_SPL_BUILD
.align 5
do_hang:
- ldr sp, _TEXT_BASE /* switch to abort stack */
1:
bl 1b /* hang and never return */
#else /* !CONFIG_SPL_BUILD */
diff --git a/arch/arm/cpu/arm946es/start.S b/arch/arm/cpu/arm946es/start.S
index e16b088..7d50145 100644
--- a/arch/arm/cpu/arm946es/start.S
+++ b/arch/arm/cpu/arm946es/start.S
@@ -71,32 +71,6 @@ _vectors_end:
*************************************************************************
*/
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
#ifdef CONFIG_USE_IRQ
/* IRQ stack memory (calculated at run-time) */
.globl IRQ_STACK_START
diff --git a/arch/arm/cpu/arm_intcm/start.S b/arch/arm/cpu/arm_intcm/start.S
index 5783df1..7404ea7 100644
--- a/arch/arm/cpu/arm_intcm/start.S
+++ b/arch/arm/cpu/arm_intcm/start.S
@@ -67,32 +67,6 @@ _fiq:
*************************************************************************
*/
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
#ifdef CONFIG_USE_IRQ
/* IRQ stack memory (calculated at run-time) */
.globl IRQ_STACK_START
diff --git a/arch/arm/cpu/armv7/omap3/lowlevel_init.S b/arch/arm/cpu/armv7/omap3/lowlevel_init.S
index 6f7261b..78577b1 100644
--- a/arch/arm/cpu/armv7/omap3/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/omap3/lowlevel_init.S
@@ -17,9 +17,6 @@
#include <asm/arch/clocks_omap3.h>
#include <linux/linkage.h>
-_TEXT_BASE:
- .word CONFIG_SYS_TEXT_BASE /* sdram load addr from config.mk */
-
#ifdef CONFIG_SPL_BUILD
ENTRY(save_boot_params)
ldr r4, =omap3_boot_device
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index 5aac773..ac1e55a 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -70,29 +70,6 @@ _end_vect:
*
*************************************************************************/
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
#ifdef CONFIG_USE_IRQ
/* IRQ stack memory (calculated at run-time) */
.globl IRQ_STACK_START
diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S
index d8fb812..ae0d13c 100644
--- a/arch/arm/cpu/pxa/start.S
+++ b/arch/arm/cpu/pxa/start.S
@@ -84,32 +84,6 @@ _end_vect:
*************************************************************************
*/
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
#ifdef CONFIG_USE_IRQ
/* IRQ stack memory (calculated at run-time) */
.globl IRQ_STACK_START
@@ -316,7 +290,6 @@ cpu_init_crit:
#ifdef CONFIG_SPL_BUILD
.align 5
do_hang:
- ldr sp, _TEXT_BASE /* use 32 words about stack */
bl hang /* hang and never return */
#else /* !CONFIG_SPL_BUILD */
.align 5
diff --git a/arch/arm/cpu/sa1100/start.S b/arch/arm/cpu/sa1100/start.S
index 27bcda5..bf80937 100644
--- a/arch/arm/cpu/sa1100/start.S
+++ b/arch/arm/cpu/sa1100/start.S
@@ -56,32 +56,6 @@ _fiq: .word fiq
*************************************************************************
*/
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
#ifdef CONFIG_USE_IRQ
/* IRQ stack memory (calculated at run-time) */
.globl IRQ_STACK_START
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index c320a35..1de5812 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -105,8 +105,8 @@ static int display_banner(void)
{
printf("\n\n%s\n\n", version_string);
debug("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n",
- _TEXT_BASE,
- _bss_start_ofs + _TEXT_BASE, _bss_end_ofs + _TEXT_BASE);
+ (ulong)&_start,
+ (ulong)&__bss_start, (ulong)&__bss_end);
#ifdef CONFIG_MODEM_SUPPORT
debug("Modem Support enabled\n");
#endif
@@ -273,13 +273,13 @@ void board_init_f(ulong bootflag)
memset((void *)gd, 0, sizeof(gd_t));
- gd->mon_len = _bss_end_ofs;
+ gd->mon_len = (ulong)&__bss_end - (ulong)_start;
#ifdef CONFIG_OF_EMBED
/* Get a pointer to the FDT */
gd->fdt_blob = __dtb_db_begin;
#elif defined CONFIG_OF_SEPARATE
/* FDT is at end of image */
- gd->fdt_blob = (void *)(_end_ofs + _TEXT_BASE);
+ gd->fdt_blob = &_end;
#endif
/* Allow the early environment to override the fdt address */
gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
@@ -451,7 +451,7 @@ void board_init_f(ulong bootflag)
gd->relocaddr = addr;
gd->start_addr_sp = addr_sp;
- gd->reloc_off = addr - _TEXT_BASE;
+ gd->reloc_off = addr - (ulong)&_start;
debug("relocation Offset is: %08lx\n", gd->reloc_off);
if (new_fdt) {
memcpy(new_fdt, gd->fdt_blob, fdt_size);
@@ -516,7 +516,7 @@ void board_init_r(gd_t *id, ulong dest_addr)
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
- monitor_flash_len = _end_ofs;
+ monitor_flash_len = (ulong)&__rel_dyn_end - (ulong)_start;
/* Enable caches */
enable_caches();