diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/target/mips32_pracc.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/target/mips32_pracc.c b/src/target/mips32_pracc.c index bce31ba5..d0ecba2f 100644 --- a/src/target/mips32_pracc.c +++ b/src/target/mips32_pracc.c @@ -153,10 +153,15 @@ static int mips32_pracc_exec_read(struct mips32_pracc_context *ctx, uint32_t add } /* save to our debug stack */ data = ctx->stack[--ctx->stack_offset]; + } else if (address >= 0xFF200000) { + /* CPU keeps reading at the end of execution. + * If we after 0xF0000000 address range, we can use + * one shot jump instruction. + * Since this instruction is limited to + * 26bit, we need to do some magic to fit it to our needs. */ + LOG_DEBUG("Reading unexpected address. Jump to 0xFF200200\n"); + data = MIPS32_J((0x0FFFFFFF & 0xFF200200) >> 2); } else { - /* TODO: send JMP 0xFF200000 instruction. Hopefully processor jump back - * to start of debug vector */ - LOG_ERROR("Error reading unexpected address 0x%8.8" PRIx32 "", address); return ERROR_JTAG_DEVICE_ERROR; } |