diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/target-lm32/gdbstub.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/target-lm32/gdbstub.c')
-rw-r--r-- | qemu/target-lm32/gdbstub.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/qemu/target-lm32/gdbstub.c b/qemu/target-lm32/gdbstub.c new file mode 100644 index 000000000..4979a98d7 --- /dev/null +++ b/qemu/target-lm32/gdbstub.c @@ -0,0 +1,92 @@ +/* + * LM32 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 "config.h" +#include "qemu-common.h" +#include "exec/gdbstub.h" +#include "hw/lm32/lm32_pic.h" + +int lm32_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) +{ + LM32CPU *cpu = LM32_CPU(cs); + CPULM32State *env = &cpu->env; + + if (n < 32) { + return gdb_get_reg32(mem_buf, env->regs[n]); + } else { + switch (n) { + case 32: + return gdb_get_reg32(mem_buf, env->pc); + /* FIXME: put in right exception ID */ + case 33: + return gdb_get_reg32(mem_buf, 0); + case 34: + return gdb_get_reg32(mem_buf, env->eba); + case 35: + return gdb_get_reg32(mem_buf, env->deba); + case 36: + return gdb_get_reg32(mem_buf, env->ie); + case 37: + return gdb_get_reg32(mem_buf, lm32_pic_get_im(env->pic_state)); + case 38: + return gdb_get_reg32(mem_buf, lm32_pic_get_ip(env->pic_state)); + } + } + return 0; +} + +int lm32_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) +{ + LM32CPU *cpu = LM32_CPU(cs); + CPUClass *cc = CPU_GET_CLASS(cs); + CPULM32State *env = &cpu->env; + uint32_t tmp; + + if (n > cc->gdb_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; +} |