diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/target/riscv/riscv.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/target/riscv/riscv.c b/src/target/riscv/riscv.c index e7ca099..fb48ca6 100644 --- a/src/target/riscv/riscv.c +++ b/src/target/riscv/riscv.c @@ -2696,6 +2696,19 @@ static int riscv_run_algorithm(struct target *target, int num_mem_params, } } + + // Disable Interrupts before attempting to run the algorithm. + uint64_t current_mstatus; + uint8_t mstatus_bytes[8]; + + LOG_DEBUG("Disabling Interrupts"); + register_get(&target->reg_cache->reg_list[REG_MSTATUS]); + current_mstatus = buf_get_u64(target->reg_cache->reg_list[REG_MSTATUS].value, 0, info->xlen); + uint64_t ie_mask = MSTATUS_MIE | MSTATUS_HIE | MSTATUS_SIE | MSTATUS_UIE; + buf_set_u64(mstatus_bytes, 0, info->xlen, set_field(current_mstatus, ie_mask, 0)); + + register_set(&target->reg_cache->reg_list[REG_MSTATUS], mstatus_bytes); + /// Run algorithm LOG_DEBUG("resume at 0x%x", entry_point); if (riscv_resume(target, 0, entry_point, 0, 0) != ERROR_OK) { @@ -2729,6 +2742,11 @@ static int riscv_run_algorithm(struct target *target, int num_mem_params, return ERROR_FAIL; } + // Restore Interrupts + LOG_DEBUG("Restoring Interrupts"); + buf_set_u64(mstatus_bytes, 0, info->xlen, current_mstatus); + register_set(&target->reg_cache->reg_list[REG_MSTATUS], mstatus_bytes); + /// Restore registers uint8_t buf[8]; buf_set_u64(buf, 0, info->xlen, saved_pc); |