diff options
| author | Thomas Chou <thomas@wytron.com.tw> | 2015-10-06 14:09:19 +0800 |
|---|---|---|
| committer | Thomas Chou <thomas@wytron.com.tw> | 2015-10-23 07:58:58 +0800 |
| commit | b8112091bbd03835920787bbe474d796248a5999 (patch) | |
| tree | fca39e9faf9ec5bedf7a7545405a04c3179b015b /arch/nios2/cpu/start.S | |
| parent | 21ff7344d116df7f6963f1a699ed4b175d8485d7 (diff) | |
| download | u-boot-b8112091bbd03835920787bbe474d796248a5999.zip u-boot-b8112091bbd03835920787bbe474d796248a5999.tar.gz u-boot-b8112091bbd03835920787bbe474d796248a5999.tar.bz2 | |
nios2: convert copy_exception_trampoline to use dm cpu data
Convert copy_exception_trampoline() to use dm cpu data.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Diffstat (limited to 'arch/nios2/cpu/start.S')
| -rw-r--r-- | arch/nios2/cpu/start.S | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/arch/nios2/cpu/start.S b/arch/nios2/cpu/start.S index 91e9c31..8758e7e 100644 --- a/arch/nios2/cpu/start.S +++ b/arch/nios2/cpu/start.S @@ -20,7 +20,7 @@ /* RESTART */ .text - .global _start + .global _start, _except_start, _except_end _start: wrctl status, r0 /* Disable interrupts */ @@ -99,29 +99,6 @@ _cur: movhi r5, %hi(_cur - _start) jmp r4 _reloc: - /* - * COPY EXCEPTION TRAMPOLINE -- copy the tramp to the - * exception address. Define CONFIG_ROM_STUBS to prevent - * the copy (e.g. exception in flash or in other - * softare/firmware component). - */ -#if !defined(CONFIG_ROM_STUBS) - movhi r4, %hi(_except_start) - ori r4, r4, %lo(_except_start) - movhi r5, %hi(_except_end) - ori r5, r5, %lo(_except_end) - movhi r6, %hi(CONFIG_SYS_EXCEPTION_ADDR) - ori r6, r6, %lo(CONFIG_SYS_EXCEPTION_ADDR) - beq r4, r6, 7f /* Skip if at proper addr */ - -6: ldwio r7, 0(r4) - stwio r7, 0(r6) - addi r4, r4, 4 - addi r6, r6, 4 - bne r4, r5, 6b -7: -#endif - /* STACK INIT -- zero top two words for call back chain. */ movhi sp, %hi(CONFIG_SYS_INIT_SP) ori sp, sp, %lo(CONFIG_SYS_INIT_SP) |