+ uint32_t tmp;
+
+ tmp = ldl_p(mem_buf);
+
+ /* Mask out low bit of PC to workaround gdb bugs. This will probably
+ cause problems if we ever implement the Jazelle DBX extensions. */
+ if (n == 15)
+ tmp &= ~1;
+
+ if (n < 16) {
+ /* Core integer register. */
+ env->regs[n] = tmp;
+ return 4;
+ }
+ if (n < 24) { /* 16-23 */
+ /* FPA registers (ignored). */
+ if (gdb_has_xml)
+ return 0;
+ return 12;
+ }
+ switch (n) {
+ case 24:
+ /* FPA status register (ignored). */
+ if (gdb_has_xml)
+ return 0;
+ return 4;
+ case 25:
+ /* CPSR */
+ cpsr_write (env, tmp, 0xffffffff);
+ return 4;
+ }
+ /* Unknown register. */
+ return 0;
+}
+
+#elif defined (TARGET_M68K)
+
+#define NUM_CORE_REGS 18
+
+#define GDB_CORE_XML "cf-core.xml"
+
+static int cpu_gdb_read_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ if (n < 8) {
+ /* D0-D7 */
+ GET_REG32(env->dregs[n]);
+ } else if (n < 16) {
+ /* A0-A7 */
+ GET_REG32(env->aregs[n - 8]);
+ } else {
+ switch (n) {
+ case 16: GET_REG32(env->sr);
+ case 17: GET_REG32(env->pc);
+ }
+ }
+ /* FP registers not included here because they vary between
+ ColdFire and m68k. Use XML bits for these. */
+ return 0;
+}
+
+static int cpu_gdb_write_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ uint32_t tmp;
+
+ tmp = ldl_p(mem_buf);
+
+ if (n < 8) {
+ /* D0-D7 */
+ env->dregs[n] = tmp;
+ } else if (n < 8) {
+ /* A0-A7 */
+ env->aregs[n - 8] = tmp;
+ } else {
+ switch (n) {
+ case 16: env->sr = tmp; break;
+ case 17: env->pc = tmp; break;
+ default: return 0;
+ }
+ }
+ return 4;
+}
+#elif defined (TARGET_MIPS)
+
+#define NUM_CORE_REGS 73
+
+static int cpu_gdb_read_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ if (n < 32) {
+ GET_REGL(env->active_tc.gpr[n]);
+ }
+ if (env->CP0_Config1 & (1 << CP0C1_FP)) {
+ if (n >= 38 && n < 70) {
+ if (env->CP0_Status & (1 << CP0St_FR))
+ GET_REGL(env->active_fpu.fpr[n - 38].d);
+ else
+ GET_REGL(env->active_fpu.fpr[n - 38].w[FP_ENDIAN_IDX]);
+ }
+ switch (n) {
+ case 70: GET_REGL((int32_t)env->active_fpu.fcr31);
+ case 71: GET_REGL((int32_t)env->active_fpu.fcr0);
+ }
+ }
+ switch (n) {
+ case 32: GET_REGL((int32_t)env->CP0_Status);
+ case 33: GET_REGL(env->active_tc.LO[0]);
+ case 34: GET_REGL(env->active_tc.HI[0]);
+ case 35: GET_REGL(env->CP0_BadVAddr);
+ case 36: GET_REGL((int32_t)env->CP0_Cause);
+ case 37: GET_REGL(env->active_tc.PC);
+ case 72: GET_REGL(0); /* fp */
+ case 89: GET_REGL((int32_t)env->CP0_PRid);
+ }
+ if (n >= 73 && n <= 88) {
+ /* 16 embedded regs. */
+ GET_REGL(0);
+ }
+
+ return 0;
+}
+
+/* convert MIPS rounding mode in FCR31 to IEEE library */
+static unsigned int ieee_rm[] =
+ {
+ float_round_nearest_even,
+ float_round_to_zero,
+ float_round_up,
+ float_round_down
+ };
+#define RESTORE_ROUNDING_MODE \
+ set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3], &env->active_fpu.fp_status)
+
+static int cpu_gdb_write_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ target_ulong tmp;
+
+ tmp = ldtul_p(mem_buf);
+
+ if (n < 32) {
+ env->active_tc.gpr[n] = tmp;
+ return sizeof(target_ulong);
+ }
+ if (env->CP0_Config1 & (1 << CP0C1_FP)
+ && n >= 38 && n < 73) {
+ if (n < 70) {
+ if (env->CP0_Status & (1 << CP0St_FR))
+ env->active_fpu.fpr[n - 38].d = tmp;
+ else
+ env->active_fpu.fpr[n - 38].w[FP_ENDIAN_IDX] = tmp;
+ }
+ switch (n) {
+ case 70:
+ env->active_fpu.fcr31 = tmp & 0xFF83FFFF;
+ /* set rounding mode */
+ RESTORE_ROUNDING_MODE;
+#ifndef CONFIG_SOFTFLOAT
+ /* no floating point exception for native float */
+ SET_FP_ENABLE(env->active_fpu.fcr31, 0);
+#endif
+ break;
+ case 71: env->active_fpu.fcr0 = tmp; break;
+ }
+ return sizeof(target_ulong);
+ }
+ switch (n) {
+ case 32: env->CP0_Status = tmp; break;
+ case 33: env->active_tc.LO[0] = tmp; break;
+ case 34: env->active_tc.HI[0] = tmp; break;
+ case 35: env->CP0_BadVAddr = tmp; break;
+ case 36: env->CP0_Cause = tmp; break;
+ case 37: env->active_tc.PC = tmp; break;
+ case 72: /* fp, ignored */ break;
+ default:
+ if (n > 89)
+ return 0;
+ /* Other registers are readonly. Ignore writes. */
+ break;
+ }
+
+ return sizeof(target_ulong);
+}
+#elif defined (TARGET_SH4)
+
+/* Hint: Use "set architecture sh4" in GDB to see fpu registers */
+/* FIXME: We should use XML for this. */
+
+#define NUM_CORE_REGS 59
+
+static int cpu_gdb_read_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ if (n < 8) {
+ if ((env->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB)) {
+ GET_REGL(env->gregs[n + 16]);
+ } else {
+ GET_REGL(env->gregs[n]);
+ }
+ } else if (n < 16) {
+ GET_REGL(env->gregs[n - 8]);
+ } else if (n >= 25 && n < 41) {
+ GET_REGL(env->fregs[(n - 25) + ((env->fpscr & FPSCR_FR) ? 16 : 0)]);
+ } else if (n >= 43 && n < 51) {
+ GET_REGL(env->gregs[n - 43]);
+ } else if (n >= 51 && n < 59) {
+ GET_REGL(env->gregs[n - (51 - 16)]);
+ }
+ switch (n) {
+ case 16: GET_REGL(env->pc);
+ case 17: GET_REGL(env->pr);
+ case 18: GET_REGL(env->gbr);
+ case 19: GET_REGL(env->vbr);
+ case 20: GET_REGL(env->mach);
+ case 21: GET_REGL(env->macl);
+ case 22: GET_REGL(env->sr);
+ case 23: GET_REGL(env->fpul);
+ case 24: GET_REGL(env->fpscr);
+ case 41: GET_REGL(env->ssr);
+ case 42: GET_REGL(env->spc);
+ }
+
+ return 0;
+}
+
+static int cpu_gdb_write_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ uint32_t tmp;
+
+ tmp = ldl_p(mem_buf);
+
+ if (n < 8) {
+ if ((env->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB)) {
+ env->gregs[n + 16] = tmp;
+ } else {
+ env->gregs[n] = tmp;
+ }
+ return 4;
+ } else if (n < 16) {
+ env->gregs[n - 8] = tmp;
+ return 4;
+ } else if (n >= 25 && n < 41) {
+ env->fregs[(n - 25) + ((env->fpscr & FPSCR_FR) ? 16 : 0)] = tmp;
+ } else if (n >= 43 && n < 51) {
+ env->gregs[n - 43] = tmp;
+ return 4;
+ } else if (n >= 51 && n < 59) {
+ env->gregs[n - (51 - 16)] = tmp;
+ return 4;
+ }
+ switch (n) {
+ case 16: env->pc = tmp;
+ case 17: env->pr = tmp;
+ case 18: env->gbr = tmp;
+ case 19: env->vbr = tmp;
+ case 20: env->mach = tmp;
+ case 21: env->macl = tmp;
+ case 22: env->sr = tmp;
+ case 23: env->fpul = tmp;
+ case 24: env->fpscr = tmp;
+ case 41: env->ssr = tmp;
+ case 42: env->spc = tmp;
+ default: return 0;
+ }
+
+ 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
+
+static int cpu_gdb_read_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ uint8_t srs;
+
+ srs = env->pregs[PR_SRS];
+ if (n < 16) {
+ GET_REG32(env->regs[n]);
+ }
+
+ if (n >= 21 && n < 32) {
+ GET_REG32(env->pregs[n - 16]);
+ }
+ if (n >= 33 && n < 49) {
+ GET_REG32(env->sregs[srs][n - 33]);
+ }
+ switch (n) {
+ case 16: GET_REG8(env->pregs[0]);
+ case 17: GET_REG8(env->pregs[1]);
+ case 18: GET_REG32(env->pregs[2]);
+ case 19: GET_REG8(srs);
+ case 20: GET_REG16(env->pregs[4]);
+ case 32: GET_REG32(env->pc);
+ }
+
+ return 0;
+}
+
+static int cpu_gdb_write_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ uint32_t tmp;
+
+ if (n > 49)
+ return 0;
+
+ tmp = ldl_p(mem_buf);
+
+ if (n < 16) {
+ env->regs[n] = tmp;
+ }
+
+ if (n >= 21 && n < 32) {
+ env->pregs[n - 16] = tmp;
+ }
+
+ /* FIXME: Should support function regs be writable? */
+ switch (n) {
+ case 16: return 1;
+ case 17: return 1;
+ case 18: env->pregs[PR_PID] = tmp; break;
+ case 19: return 1;
+ case 20: return 2;
+ case 32: env->pc = tmp; break;
+ }
+
+ return 4;
+}
+#elif defined (TARGET_ALPHA)
+
+#define NUM_CORE_REGS 65
+
+static int cpu_gdb_read_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ if (n < 31) {
+ GET_REGL(env->ir[n]);
+ }
+ else if (n == 31) {
+ GET_REGL(0);
+ }
+ else if (n<63) {
+ uint64_t val;
+
+ val=*((uint64_t *)&env->fir[n-32]);
+ GET_REGL(val);
+ }
+ else if (n==63) {
+ GET_REGL(env->fpcr);
+ }
+ else if (n==64) {
+ GET_REGL(env->pc);
+ }
+ else {
+ GET_REGL(0);
+ }
+
+ return 0;
+}
+
+static int cpu_gdb_write_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ target_ulong tmp;
+ tmp = ldtul_p(mem_buf);
+
+ if (n < 31) {
+ env->ir[n] = tmp;
+ }
+
+ if (n > 31 && n < 63) {
+ env->fir[n - 32] = ldfl_p(mem_buf);
+ }
+
+ if (n == 64 ) {
+ env->pc=tmp;
+ }
+
+ return 8;
+}
+#else
+
+#define NUM_CORE_REGS 0
+
+static int cpu_gdb_read_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ return 0;
+}
+
+static int cpu_gdb_write_register(CPUState *env, uint8_t *mem_buf, int n)
+{
+ return 0;
+}
+
+#endif
+
+static int num_g_regs = NUM_CORE_REGS;
+
+#ifdef GDB_CORE_XML
+/* Encode data using the encoding for 'x' packets. */
+static int memtox(char *buf, const char *mem, int len)
+{
+ char *p = buf;
+ char c;
+
+ while (len--) {
+ c = *(mem++);
+ switch (c) {
+ case '#': case '$': case '*': case '}':
+ *(p++) = '}';
+ *(p++) = c ^ 0x20;
+ break;
+ default:
+ *(p++) = c;
+ break;
+ }
+ }
+ return p - buf;
+}
+
+static const char *get_feature_xml(const char *p, const char **newp)
+{
+ extern const char *const xml_builtin[][2];
+ size_t len;