From d74d6a99a05e07771acc5f6b91db04be4c1f007f Mon Sep 17 00:00:00 2001 From: "Edgar E. Iglesias" Date: Wed, 20 May 2009 20:16:31 +0200 Subject: microblaze: Add GDB stub support. Signed-off-by: Edgar E. Iglesias --- gdbstub.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/gdbstub.c b/gdbstub.c index 3c34741f97..7b32fab589 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1156,6 +1156,36 @@ static int cpu_gdb_write_register(CPUState *env, uint8_t *mem_buf, int n) return 4; } +#elif defined (TARGET_MICROBLAZE) + +#define NUM_CORE_REGS (32 + 5) + +static int cpu_gdb_read_register(CPUState *env, uint8_t *mem_buf, int n) +{ + if (n < 32) { + GET_REG32(env->regs[n]); + } else { + GET_REG32(env->sregs[n - 32]); + } + 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 { + env->sregs[n - 32] = tmp; + } + return 4; +} #elif defined (TARGET_CRIS) #define NUM_CORE_REGS 49 @@ -1528,6 +1558,8 @@ static void gdb_set_cpu_pc(GDBState *s, target_ulong pc) s->c_cpu->pc = pc; #elif defined (TARGET_MIPS) s->c_cpu->active_tc.PC = pc; +#elif defined (TARGET_MICROBLAZE) + s->c_cpu->sregs[SR_PC] = pc; #elif defined (TARGET_CRIS) s->c_cpu->pc = pc; #elif defined (TARGET_ALPHA) -- cgit v1.2.3