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author | Michael Walle <michael@walle.cc> | 2013-09-18 19:10:45 +0200 |
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committer | Michael Walle <michael@walle.cc> | 2014-02-04 19:47:06 +0100 |
commit | 3dd3a2b965a2d2f5b9c53ab86194b78a546a8fc5 (patch) | |
tree | efb294ea9457149f57eb3ab5f298ef7d690ea7d2 /target-lm32/op_helper.c | |
parent | 34f4aa83f96722aa2c36fbe179108863ebe6e3e9 (diff) | |
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target-lm32: add breakpoint/watchpoint support
This patch adds in-target breakpoint and watchpoint support.
Signed-off-by: Michael Walle <michael@walle.cc>
Diffstat (limited to 'target-lm32/op_helper.c')
-rw-r--r-- | target-lm32/op_helper.c | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/target-lm32/op_helper.c b/target-lm32/op_helper.c index 8f5ef55..71f21d1 100644 --- a/target-lm32/op_helper.c +++ b/target-lm32/op_helper.c @@ -19,12 +19,17 @@ #define SHIFT 3 #include "exec/softmmu_template.h" -void HELPER(raise_exception)(CPULM32State *env, uint32_t index) +void raise_exception(CPULM32State *env, int index) { env->exception_index = index; cpu_loop_exit(env); } +void HELPER(raise_exception)(CPULM32State *env, uint32_t index) +{ + raise_exception(env, index); +} + void HELPER(hlt)(CPULM32State *env) { CPUState *cs = CPU(lm32_env_get_cpu(env)); @@ -34,6 +39,57 @@ void HELPER(hlt)(CPULM32State *env) cpu_loop_exit(env); } +void HELPER(wcsr_bp)(CPULM32State *env, uint32_t bp, uint32_t idx) +{ + uint32_t addr = bp & ~1; + + assert(idx < 4); + + env->bp[idx] = bp; + lm32_breakpoint_remove(env, idx); + if (bp & 1) { + lm32_breakpoint_insert(env, idx, addr); + } +} + +void HELPER(wcsr_wp)(CPULM32State *env, uint32_t wp, uint32_t idx) +{ + lm32_wp_t wp_type; + + assert(idx < 4); + + env->wp[idx] = wp; + + wp_type = lm32_wp_type(env->dc, idx); + lm32_watchpoint_remove(env, idx); + if (wp_type != LM32_WP_DISABLED) { + lm32_watchpoint_insert(env, idx, wp, wp_type); + } +} + +void HELPER(wcsr_dc)(CPULM32State *env, uint32_t dc) +{ + uint32_t old_dc; + int i; + lm32_wp_t old_type; + lm32_wp_t new_type; + + old_dc = env->dc; + env->dc = dc; + + for (i = 0; i < 4; i++) { + old_type = lm32_wp_type(old_dc, i); + new_type = lm32_wp_type(dc, i); + + if (old_type != new_type) { + lm32_watchpoint_remove(env, i); + if (new_type != LM32_WP_DISABLED) { + lm32_watchpoint_insert(env, i, env->wp[i], new_type); + } + } + } +} + void HELPER(wcsr_im)(CPULM32State *env, uint32_t im) { lm32_pic_set_im(env->pic_state, im); |