diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/arm/gp32/start/start.S | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/c/src/lib/libbsp/arm/gp32/start/start.S b/c/src/lib/libbsp/arm/gp32/start/start.S index b7faf5eb23..e3be252332 100644 --- a/c/src/lib/libbsp/arm/gp32/start/start.S +++ b/c/src/lib/libbsp/arm/gp32/start/start.S @@ -1,7 +1,7 @@ /* * GP32 startup code * - * + * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * @@ -15,7 +15,7 @@ #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...*/ .equ PSR_MODE_USR, 0x10 .equ PSR_MODE_FIQ, 0x11 @@ -68,16 +68,16 @@ _start: _start2: @--------------------------------------------------------------------------------- - /* + /* * 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. */ mov r0, #(PSR_MODE_SVC | PSR_I | PSR_F) msr cpsr, r0 - + /* --- 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 */ @@ -99,7 +99,7 @@ _start2: 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 */ msr cpsr, r0 @@ -107,7 +107,7 @@ _start2: ldr sp, =_svc_stack add sp, sp, r1 sub sp, sp, #0x64 - + /* disable mmu, I and D caches*/ nop @@ -124,7 +124,7 @@ _start2: mov r1,#0x00 Loop1: mov r2,#0x00 -Loop2: +Loop2: mov r3, r2, lsl#26 orr r3, r3, r1, lsl#5 mcr p15, 0, r3, c7, c14, 2 @@ -134,19 +134,19 @@ Loop2: add r1, r1, #0x01 cmp r1, #8 bne Loop1 - - /* + + /* * Initialize the MMU. After we return, the MMU is enabled, * and memory may be remapped. I hope we don't remap this * memory away. */ ldr r0, =mem_map - bl mmu_init + bl mmu_init - /* + /* * 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 @@ -155,11 +155,11 @@ Loop2: stmia r0!, {r2-r9} ldmia r1!, {r2-r9} stmia r0!, {r2-r9} - + /* Now we are prepared to start the BSP's C code */ 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. @@ -169,13 +169,13 @@ Loop2: /* We shouldn't get here. If we do, hang */ _hang: b _hang - -/* + +/* * 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) */ -vector_block: +vector_block: ldr pc, Reset_Handler ldr pc, Undefined_Handler ldr pc, SWI_Handler @@ -187,7 +187,7 @@ 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 |