diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/arm/rtl22xx/start/start.S | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/c/src/lib/libbsp/arm/rtl22xx/start/start.S b/c/src/lib/libbsp/arm/rtl22xx/start/start.S index e9dda78838..c0001eb7b0 100644 --- a/c/src/lib/libbsp/arm/rtl22xx/start/start.S +++ b/c/src/lib/libbsp/arm/rtl22xx/start/start.S @@ -16,7 +16,7 @@ #warning The call is "void boot_card(const char* cmdline);" #warning You need to pass a NULL. #warning Please check and remove these warnings. - + /* Some standard definitions...*/ /* Some standard definitions...*/ @@ -36,14 +36,14 @@ .code 32 .globl _start _start: - /* + /* * Since I don't plan to return to the bootloader, * I don't have to save the registers. * - * I'll just set the CPSR for SVC mode, interrupts + * I'll just set the CPSR for SVC mode, interrupts * off, and ARM instructions. */ - + /* --- Initialize stack pointer registers */ /* Enter IRQ mode and set up the IRQ stack pointer */ mov r0, #(PSR_MODE_IRQ | PSR_I | PSR_F) /* No interrupts */ @@ -65,11 +65,11 @@ _start: mov r0, #(PSR_MODE_ABT | PSR_I | PSR_F) /* No interrupts */ bic r0, r0, #PSR_T msr cpsr, r0 - bic r0, r0, #PSR_T + bic r0, r0, #PSR_T ldr r1, =_abt_stack_size ldr sp, =_abt_stack add sp, sp, r1 - + /* Set up the SVC stack pointer last and stay in SVC mode */ mov r0, #(PSR_MODE_SVC | PSR_I | PSR_F) /* No interrupts */ bic r0, r0, #PSR_T @@ -77,18 +77,18 @@ _start: ldr r1, =_svc_stack_size ldr sp, =_svc_stack add sp, sp, r1 - sub sp, sp, #0x64 - - /* + sub sp, sp, #0x64 + + /* * Initialize the exception vectors. This includes the - * exceptions vectors (0x00000000-0x0000001c), and the + * exceptions vectors (0x00000000-0x0000001c), and the * pointers to the exception handlers (0x00000020-0x0000003c). */ mov r0, #0 adr r1, vector_block ldmia r1!, {r2-r9} stmia r0!, {r2-r9} - + ldmia r1!, {r2-r9} stmia r0!, {r2-r9} @@ -97,11 +97,11 @@ _start: ldr r1, =_bss_end_ ldr r0, =_bss_start_ -_bss_init: +_bss_init: mov r2, #0 cmp r0, r1 strlot r2, [r0], #4 - blo _bss_init /* loop while r0 < r1 */ + blo _bss_init /* loop while r0 < r1 */ #ifdef __thumb__ @@ -112,7 +112,7 @@ _bss_init: bl boot_card - /* + /* * Theoretically, we could return to what started us up, * but we'd have to have saved the registers and stacks. * Instead, we'll just reset. @@ -172,8 +172,8 @@ FIQ_Handler: - -/* + +/* * This is the exception vector table and the pointers to * the functions that handle the exceptions. It's a total * of 16 words (64 bytes) @@ -181,7 +181,7 @@ FIQ_Handler: /******************************************************* -vector_block: +vector_block: ldr pc, Reset_Handler ldr pc, Undefined_Handler ldr pc, SWI_Handler @@ -193,7 +193,7 @@ vector_block: Reset_Handler: b bsp_reset Undefined_Handler: b Undefined_Handler -SWI_Handler: b SWI_Handler +SWI_Handler: b SWI_Handler Prefetch_Handler: b Prefetch_Handler Abort_Handler: b Abort_Handler nop |