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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /target-microblaze/gdbstub.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'target-microblaze/gdbstub.c')
-rw-r--r-- | target-microblaze/gdbstub.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/target-microblaze/gdbstub.c b/target-microblaze/gdbstub.c new file mode 100644 index 00000000..a70e2ee3 --- /dev/null +++ b/target-microblaze/gdbstub.c @@ -0,0 +1,56 @@ +/* + * MicroBlaze 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" + +int mb_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) +{ + MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs); + CPUMBState *env = &cpu->env; + + if (n < 32) { + return gdb_get_reg32(mem_buf, env->regs[n]); + } else { + return gdb_get_reg32(mem_buf, env->sregs[n - 32]); + } + return 0; +} + +int mb_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) +{ + MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs); + CPUClass *cc = CPU_GET_CLASS(cs); + CPUMBState *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 { + env->sregs[n - 32] = tmp; + } + return 4; +} |