From d236a48e8fd93504bf219fa9113a3af157ba5e1b Mon Sep 17 00:00:00 2001 From: =?utf8?q?=C3=98yvind=20Harboe?= Date: Tue, 22 Jun 2010 12:47:30 +0200 Subject: [PATCH] cortex a8: only physical read/write's are available when target is running MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 --- src/target/cortex_a8.c | 11 +++++++++-- 1 file 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; -- 2.39.5