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| author | David Brownell <dbrownell@users.sourceforge.net> | 2009-11-10 01:35:50 -0800 |
|---|---|---|
| committer | David Brownell <dbrownell@users.sourceforge.net> | 2009-11-10 01:35:50 -0800 |
| commit | 65e3471d7849b4c1515ca1a71f7b46111ea5b934 (patch) | |
| tree | 4dc998495298d9e0d2516b8d35df6c7cf25da229 /src/target/arm720t.c | |
| parent | 0df56714a006540b398132dfef044c2bd6b2ed72 (diff) | |
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ARM720: implement basic MMU ops
mmu() works; virt2phys() fails and logs an error.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Diffstat (limited to 'src/target/arm720t.c')
| -rw-r--r-- | src/target/arm720t.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/target/arm720t.c b/src/target/arm720t.c index 673296ee..728e1979 100644 --- a/src/target/arm720t.c +++ b/src/target/arm720t.c @@ -247,6 +247,25 @@ static int arm720t_arch_state(struct target_s *target) return ERROR_OK; } +static int arm720_mmu(struct target_s *target, int *enabled) +{ + if (target->state != TARGET_HALTED) { + LOG_ERROR("%s: target not halted", __func__); + return ERROR_TARGET_INVALID; + } + + *enabled = target_to_arm720(target)->armv4_5_mmu.mmu_enabled; + return ERROR_OK; +} + +static int arm720_virt2phys(struct target_s *target, + uint32_t virt, uint32_t *phys) +{ + /** @todo Implement this! */ + LOG_ERROR("%s: not implemented", __func__); + return ERROR_FAIL; +} + static int arm720t_read_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) { @@ -512,6 +531,9 @@ target_type_t arm720t_target = .write_memory = arm7_9_write_memory, .read_phys_memory = arm720t_read_phys_memory, .write_phys_memory = arm720t_write_phys_memory, + .mmu = arm720_mmu, + .virt2phys = arm720_virt2phys, + .bulk_write_memory = arm7_9_bulk_write_memory, .checksum_memory = arm7_9_checksum_memory, .blank_check_memory = arm7_9_blank_check_memory, |