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svn_rev_444 

make larger malloc sizes possible
This commit is contained in:
Sascha Hauer 2007-07-05 18:01:54 +02:00 committed by Sascha Hauer
parent b9d6d30be8
commit 31e28addea
1 changed files with 9 additions and 6 deletions
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15
cpu/arm920t/start.S
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@ -79,6 +79,12 @@ _TEXT_BASE:
_armboot_start:
.word _start
_MALLOC_START:
.word _start - CFG_MALLOC_LEN
_STACK_START:
.word _start - CFG_MALLOC_LEN - CONFIG_STACKSIZE
/*
* These are defined in the board-specific linker script.
*/
@ -181,8 +187,7 @@ copy_loop:
/* Set up the stack */
stack_setup:
ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */
sub r0, r0, #CFG_MALLOC_LEN /* malloc area */
ldr r0, _MALLOC_START /* upper 128 KiB: relocated uboot */
#ifdef CONFIG_USE_IRQ
sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
#endif
@ -290,8 +295,7 @@ cpu_init_crit:
.macro bad_save_user_regs
sub sp, sp, #S_FRAME_SIZE
stmia sp, {r0 - r12} @ Calling r0-r12
ldr r2, _armboot_start
sub r2, r2, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN)
ldr r2, _STACK_START
sub r2, r2, #(8) @ set base 2 words into abort stack
ldmia r2, {r2 - r3} @ get pc, cpsr
add r0, sp, #S_FRAME_SIZE @ restore sp_SVC
@ -323,8 +327,7 @@ cpu_init_crit:
.endm
.macro get_bad_stack
ldr r13, _armboot_start @ setup our mode stack
sub r13, r13, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN)
ldr r2, _STACK_START
sub r13, r13, #(8) @ reserved a couple spots in abort stack
str lr, [r13] @ save caller lr / spsr