diff options
Diffstat (limited to 'deps/v8/src/arm/cpu-arm.cc')
| -rw-r--r-- | deps/v8/src/arm/cpu-arm.cc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/deps/v8/src/arm/cpu-arm.cc b/deps/v8/src/arm/cpu-arm.cc index a5a358b3a..4e39cdaff 100644 --- a/deps/v8/src/arm/cpu-arm.cc +++ b/deps/v8/src/arm/cpu-arm.cc @@ -61,28 +61,32 @@ void CPU::FlushICache(void* start, size_t size) { reinterpret_cast<uint32_t>(start) + size; register uint32_t flg asm("a3") = 0; #ifdef __ARM_EABI__ - register uint32_t scno asm("r7") = __ARM_NR_cacheflush; #if defined (__arm__) && !defined(__thumb__) // __arm__ may be defined in thumb mode. + register uint32_t scno asm("r7") = __ARM_NR_cacheflush; asm volatile( "swi 0x0" : "=r" (beg) : "0" (beg), "r" (end), "r" (flg), "r" (scno)); #else + // r7 is reserved by the EABI in thumb mode. asm volatile( "@ Enter ARM Mode \n\t" "adr r3, 1f \n\t" "bx r3 \n\t" ".ALIGN 4 \n\t" ".ARM \n" - "1: swi 0x0 \n\t" + "1: push {r7} \n\t" + "mov r7, %4 \n\t" + "swi 0x0 \n\t" + "pop {r7} \n\t" "@ Enter THUMB Mode\n\t" "adr r3, 2f+1 \n\t" "bx r3 \n\t" ".THUMB \n" "2: \n\t" : "=r" (beg) - : "0" (beg), "r" (end), "r" (flg), "r" (scno) + : "0" (beg), "r" (end), "r" (flg), "r" (__ARM_NR_cacheflush) : "r3"); #endif #else |