diff options
Diffstat (limited to 'src/target/arm920t.c')
| -rw-r--r-- | src/target/arm920t.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/src/target/arm920t.c b/src/target/arm920t.c index 2531d9b6..a332db0b 100644 --- a/src/target/arm920t.c +++ b/src/target/arm920t.c @@ -555,26 +555,25 @@ int arm920t_write_memory(struct target_s *target, uint32_t address, uint32_t siz if ((retval = arm7_9_write_memory(target, address, size, count, buffer)) != ERROR_OK) return retval; + /* This fn is used to write breakpoints, so we need to make sure that the + * datacache is flushed and the instruction cache is invalidated */ if (((size == 4) || (size == 2)) && (count == 1)) { if (arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled) { - LOG_DEBUG("D-Cache enabled, writing through to main memory"); - uint32_t pa, cb, ap; - int type, domain; - - pa = armv4_5_mmu_translate_va(target, &arm920t->armv4_5_mmu, address, &type, &cb, &domain, &ap); - if (type == -1) - return ERROR_OK; - /* cacheable & bufferable means write-back region */ - if (cb == 3) - armv4_5_mmu_write_physical(target, &arm920t->armv4_5_mmu, pa, size, count, buffer); + LOG_DEBUG("D-Cache enabled, flush and invalidate cache line"); + /* MCR p15,0,Rd,c7,c10,2 */ + retval = arm920t_write_cp15_interpreted(target, 0xee070f5e, 0x0, address); + if (retval != ERROR_OK) + return retval; } if (arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled) { LOG_DEBUG("I-Cache enabled, invalidating affected I-Cache line"); - arm920t_write_cp15_interpreted(target, 0xee070f35, 0x0, address); + retval = arm920t_write_cp15_interpreted(target, 0xee070f35, 0x0, address); + if (retval != ERROR_OK) + return retval; } } |