diff options
Diffstat (limited to 'target-mips/gdbstub.c')
| -rw-r--r-- | target-mips/gdbstub.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/target-mips/gdbstub.c b/target-mips/gdbstub.c deleted file mode 100644 index 7c68228..0000000 --- a/target-mips/gdbstub.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * MIPS gdb server stub - * - * Copyright (c) 2003-2005 Fabrice Bellard - * Copyright (c) 2013 SUSE LINUX Products GmbH - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see <http://www.gnu.org/licenses/>. - */ -#include "qemu/osdep.h" -#include "qemu-common.h" -#include "cpu.h" -#include "exec/gdbstub.h" - -int mips_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) -{ - MIPSCPU *cpu = MIPS_CPU(cs); - CPUMIPSState *env = &cpu->env; - - if (n < 32) { - return gdb_get_regl(mem_buf, env->active_tc.gpr[n]); - } - if (env->CP0_Config1 & (1 << CP0C1_FP) && n >= 38 && n < 72) { - switch (n) { - case 70: - return gdb_get_regl(mem_buf, (int32_t)env->active_fpu.fcr31); - case 71: - return gdb_get_regl(mem_buf, (int32_t)env->active_fpu.fcr0); - default: - if (env->CP0_Status & (1 << CP0St_FR)) { - return gdb_get_regl(mem_buf, - env->active_fpu.fpr[n - 38].d); - } else { - return gdb_get_regl(mem_buf, - env->active_fpu.fpr[n - 38].w[FP_ENDIAN_IDX]); - } - } - } - switch (n) { - case 32: - return gdb_get_regl(mem_buf, (int32_t)env->CP0_Status); - case 33: - return gdb_get_regl(mem_buf, env->active_tc.LO[0]); - case 34: - return gdb_get_regl(mem_buf, env->active_tc.HI[0]); - case 35: - return gdb_get_regl(mem_buf, env->CP0_BadVAddr); - case 36: - return gdb_get_regl(mem_buf, (int32_t)env->CP0_Cause); - case 37: - return gdb_get_regl(mem_buf, env->active_tc.PC | - !!(env->hflags & MIPS_HFLAG_M16)); - case 72: - return gdb_get_regl(mem_buf, 0); /* fp */ - case 89: - return gdb_get_regl(mem_buf, (int32_t)env->CP0_PRid); - default: - if (n > 89) { - return 0; - } - /* 16 embedded regs. */ - return gdb_get_regl(mem_buf, 0); - } - - return 0; -} - -int mips_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) -{ - MIPSCPU *cpu = MIPS_CPU(cs); - CPUMIPSState *env = &cpu->env; - 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 < 72) { - switch (n) { - case 70: - env->active_fpu.fcr31 = (tmp & env->active_fpu.fcr31_rw_bitmask) | - (env->active_fpu.fcr31 & ~(env->active_fpu.fcr31_rw_bitmask)); - restore_fp_status(env); - break; - case 71: - /* FIR is read-only. Ignore writes. */ - break; - default: - 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; - } - break; - } - return sizeof(target_ulong); - } - switch (n) { - case 32: -#ifndef CONFIG_USER_ONLY - cpu_mips_store_status(env, tmp); -#endif - 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: -#ifndef CONFIG_USER_ONLY - cpu_mips_store_cause(env, tmp); -#endif - break; - case 37: - env->active_tc.PC = tmp & ~(target_ulong)1; - if (tmp & 1) { - env->hflags |= MIPS_HFLAG_M16; - } else { - env->hflags &= ~(MIPS_HFLAG_M16); - } - break; - case 72: /* fp, ignored */ - break; - default: - if (n > 89) { - return 0; - } - /* Other registers are readonly. Ignore writes. */ - break; - } - - return sizeof(target_ulong); -} |