diff options
Diffstat (limited to 'gdbstub.c')
| -rw-r--r-- | gdbstub.c | 66 |
1 files changed, 65 insertions, 1 deletions
@@ -728,6 +728,66 @@ static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) for (i = 0; i < 8; i++) LOAD(env->gregs[i]); for (i = 0; i < 8; i++) LOAD(env->gregs[i + 16]); } +#elif defined (TARGET_CRIS) + +static int cris_save_32 (unsigned char *d, uint32_t value) +{ + *d++ = (value); + *d++ = (value >>= 8); + *d++ = (value >>= 8); + *d++ = (value >>= 8); + return 4; +} +static int cris_save_16 (unsigned char *d, uint32_t value) +{ + *d++ = (value); + *d++ = (value >>= 8); + return 2; +} +static int cris_save_8 (unsigned char *d, uint32_t value) +{ + *d++ = (value); + return 1; +} + +/* FIXME: this will bug on archs not supporting unaligned word accesses. */ +static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) +{ + uint8_t *ptr = mem_buf; + uint8_t srs; + int i; + + for (i = 0; i < 16; i++) + ptr += cris_save_32 (ptr, env->regs[i]); + + srs = env->pregs[SR_SRS]; + + ptr += cris_save_8 (ptr, env->pregs[0]); + ptr += cris_save_8 (ptr, env->pregs[1]); + ptr += cris_save_32 (ptr, env->pregs[2]); + ptr += cris_save_8 (ptr, srs); + ptr += cris_save_16 (ptr, env->pregs[4]); + + for (i = 5; i < 16; i++) + ptr += cris_save_32 (ptr, env->pregs[i]); + + ptr += cris_save_32 (ptr, env->pc); + + for (i = 0; i < 16; i++) + ptr += cris_save_32 (ptr, env->sregs[srs][i]); + + return ((uint8_t *)ptr - mem_buf); +} + +static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) +{ + uint32_t *ptr = (uint32_t *)mem_buf; + int i; + +#define LOAD(x) (x)=*ptr++; + for (i = 0; i < 16; i++) LOAD(env->regs[i]); + LOAD (env->pc); +} #else static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) { @@ -745,7 +805,7 @@ static int gdb_handle_packet(GDBState *s, CPUState *env, const char *line_buf) const char *p; int ch, reg_size, type; char buf[4096]; - uint8_t mem_buf[2000]; + uint8_t mem_buf[4096]; uint32_t *registers; target_ulong addr, len; @@ -776,6 +836,8 @@ static int gdb_handle_packet(GDBState *s, CPUState *env, const char *line_buf) env->pc = addr; #elif defined (TARGET_MIPS) env->PC[env->current_tc] = addr; +#elif defined (TARGET_CRIS) + env->pc = addr; #endif } #ifdef CONFIG_USER_ONLY @@ -800,6 +862,8 @@ static int gdb_handle_packet(GDBState *s, CPUState *env, const char *line_buf) env->pc = addr; #elif defined (TARGET_MIPS) env->PC[env->current_tc] = addr; +#elif defined (TARGET_CRIS) + env->pc = addr; #endif } cpu_single_step(env, 1); |