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authorMichael Walle <michael@walle.cc>2011-02-17 23:45:06 +0100
committerEdgar E. Iglesias <edgar.iglesias@gmail.com>2011-03-07 13:42:36 +0100
commit0c45d3d4b921e9639a2ce400a6afdb4d962a5805 (patch)
treec8244f0da433254c4d743b83fe5553ebab55ecda /gdbstub.c
parentc6af5693478caacafc58cbf454b71fa95d57db60 (diff)
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lm32: gdbstub support
This patch adds lm32 support to the gdbstub. Signed-off-by: Michael Walle <michael@walle.cc> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Diffstat (limited to 'gdbstub.c')
-rw-r--r--gdbstub.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/gdbstub.c b/gdbstub.c
index ed51a8a..1e9f931 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1462,6 +1462,80 @@ static int cpu_gdb_write_register(CPUState *env, uint8_t *mem_buf, int n)
return r;
}
+#elif defined (TARGET_LM32)
+
+#include "hw/lm32_pic.h"
+#define NUM_CORE_REGS (32 + 7)
+
+static int cpu_gdb_read_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ if (n < 32) {
+ GET_REG32(env->regs[n]);
+ } else {
+ switch (n) {
+ case 32:
+ GET_REG32(env->pc);
+ break;
+ /* FIXME: put in right exception ID */
+ case 33:
+ GET_REG32(0);
+ break;
+ case 34:
+ GET_REG32(env->eba);
+ break;
+ case 35:
+ GET_REG32(env->deba);
+ break;
+ case 36:
+ GET_REG32(env->ie);
+ break;
+ case 37:
+ GET_REG32(lm32_pic_get_im(env->pic_state));
+ break;
+ case 38:
+ GET_REG32(lm32_pic_get_ip(env->pic_state));
+ break;
+ }
+ }
+ return 0;
+}
+
+static int cpu_gdb_write_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ uint32_t tmp;
+
+ if (n > NUM_CORE_REGS) {
+ return 0;
+ }
+
+ tmp = ldl_p(mem_buf);
+
+ if (n < 32) {
+ env->regs[n] = tmp;
+ } else {
+ switch (n) {
+ case 32:
+ env->pc = tmp;
+ break;
+ case 34:
+ env->eba = tmp;
+ break;
+ case 35:
+ env->deba = tmp;
+ break;
+ case 36:
+ env->ie = tmp;
+ break;
+ case 37:
+ lm32_pic_set_im(env->pic_state, tmp);
+ break;
+ case 38:
+ lm32_pic_set_ip(env->pic_state, tmp);
+ break;
+ }
+ }
+ return 4;
+}
#else
#define NUM_CORE_REGS 0
@@ -1737,6 +1811,8 @@ static void gdb_set_cpu_pc(GDBState *s, target_ulong pc)
#elif defined (TARGET_S390X)
cpu_synchronize_state(s->c_cpu);
s->c_cpu->psw.addr = pc;
+#elif defined (TARGET_LM32)
+ s->c_cpu->pc = pc;
#endif
}