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| author | Øyvind Harboe <oyvind.harboe@zylin.com> | 2010-06-22 12:47:30 +0200 |
|---|---|---|
| committer | Øyvind Harboe <oyvind.harboe@zylin.com> | 2010-06-22 12:47:30 +0200 |
| commit | d236a48e8fd93504bf219fa9113a3af157ba5e1b (patch) | |
| tree | 7410ca2540467067d1e93fdfb231930e353d8f88 | |
| parent | 33e7696cfaca149e83a471212394484054ff05b6 (diff) | |
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cortex a8: only physical read/write's are available when target is running
Memory read/writes to virtual memory, requires that the CPU is
halted.
Use 'phys' option to write to memory while target is running.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
| -rw-r--r-- | src/target/cortex_a8.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/target/cortex_a8.c b/src/target/cortex_a8.c index ea07579b..afe5b6cb 100644 --- a/src/target/cortex_a8.c +++ b/src/target/cortex_a8.c @@ -1381,12 +1381,16 @@ static int cortex_a8_read_memory(struct target *target, uint32_t address, { int enabled = 0; uint32_t virt, phys; + int retval; /* cortex_a8 handles unaligned memory access */ // ??? dap_ap_select(swjdp, swjdp_memoryap); LOG_DEBUG("Reading memory at address 0x%x; size %d; count %d", address, size, count); - cortex_a8_mmu(target, &enabled); + retval = cortex_a8_mmu(target, &enabled); + if (retval != ERROR_OK) + return retval; + if(enabled) { virt = address; @@ -1484,11 +1488,14 @@ static int cortex_a8_write_memory(struct target *target, uint32_t address, { int enabled = 0; uint32_t virt, phys; + int retval; // ??? dap_ap_select(swjdp, swjdp_memoryap); LOG_DEBUG("Writing memory to address 0x%x; size %d; count %d", address, size, count); - cortex_a8_mmu(target, &enabled); + retval = cortex_a8_mmu(target, &enabled); + if (retval != ERROR_OK) + return retval; if(enabled) { virt = address; |