2 * SuperH gdb server stub
4 * Copyright (c) 2003-2005 Fabrice Bellard
5 * Copyright (c) 2013 SUSE LINUX Products GmbH
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
21 #include "qemu-common.h"
22 #include "exec/gdbstub.h"
24 /* Hint: Use "set architecture sh4" in GDB to see fpu registers */
25 /* FIXME: We should use XML for this. */
27 int superh_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
29 SuperHCPU *cpu = SUPERH_CPU(cs);
30 CPUSH4State *env = &cpu->env;
34 if ((env->sr & (1u << SR_MD)) && (env->sr & (1u << SR_RB))) {
35 return gdb_get_regl(mem_buf, env->gregs[n + 16]);
37 return gdb_get_regl(mem_buf, env->gregs[n]);
40 return gdb_get_regl(mem_buf, env->gregs[n]);
42 return gdb_get_regl(mem_buf, env->pc);
44 return gdb_get_regl(mem_buf, env->pr);
46 return gdb_get_regl(mem_buf, env->gbr);
48 return gdb_get_regl(mem_buf, env->vbr);
50 return gdb_get_regl(mem_buf, env->mach);
52 return gdb_get_regl(mem_buf, env->macl);
54 return gdb_get_regl(mem_buf, cpu_read_sr(env));
56 return gdb_get_regl(mem_buf, env->fpul);
58 return gdb_get_regl(mem_buf, env->fpscr);
60 if (env->fpscr & FPSCR_FR) {
61 stfl_p(mem_buf, env->fregs[n - 9]);
63 stfl_p(mem_buf, env->fregs[n - 25]);
67 return gdb_get_regl(mem_buf, env->ssr);
69 return gdb_get_regl(mem_buf, env->spc);
71 return gdb_get_regl(mem_buf, env->gregs[n - 43]);
73 return gdb_get_regl(mem_buf, env->gregs[n - (51 - 16)]);
79 int superh_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
81 SuperHCPU *cpu = SUPERH_CPU(cs);
82 CPUSH4State *env = &cpu->env;
86 if ((env->sr & (1u << SR_MD)) && (env->sr & (1u << SR_RB))) {
87 env->gregs[n + 16] = ldl_p(mem_buf);
89 env->gregs[n] = ldl_p(mem_buf);
93 env->gregs[n] = ldl_p(mem_buf);
96 env->pc = ldl_p(mem_buf);
99 env->pr = ldl_p(mem_buf);
102 env->gbr = ldl_p(mem_buf);
105 env->vbr = ldl_p(mem_buf);
108 env->mach = ldl_p(mem_buf);
111 env->macl = ldl_p(mem_buf);
114 cpu_write_sr(env, ldl_p(mem_buf));
117 env->fpul = ldl_p(mem_buf);
120 env->fpscr = ldl_p(mem_buf);
123 if (env->fpscr & FPSCR_FR) {
124 env->fregs[n - 9] = ldfl_p(mem_buf);
126 env->fregs[n - 25] = ldfl_p(mem_buf);
130 env->ssr = ldl_p(mem_buf);
133 env->spc = ldl_p(mem_buf);
136 env->gregs[n - 43] = ldl_p(mem_buf);
139 env->gregs[n - (51 - 16)] = ldl_p(mem_buf);