0f9668e0c1
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20220323155743.1585078-33-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
/*
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* RX gdb server stub
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*
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* Copyright (c) 2019 Yoshinori Sato
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2 or later, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "exec/gdbstub.h"
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int rx_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
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{
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RXCPU *cpu = RX_CPU(cs);
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CPURXState *env = &cpu->env;
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switch (n) {
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case 0 ... 15:
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return gdb_get_regl(mem_buf, env->regs[n]);
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case 16:
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return gdb_get_regl(mem_buf, (env->psw_u) ? env->regs[0] : env->usp);
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case 17:
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return gdb_get_regl(mem_buf, (!env->psw_u) ? env->regs[0] : env->isp);
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case 18:
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return gdb_get_regl(mem_buf, rx_cpu_pack_psw(env));
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case 19:
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return gdb_get_regl(mem_buf, env->pc);
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case 20:
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return gdb_get_regl(mem_buf, env->intb);
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case 21:
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return gdb_get_regl(mem_buf, env->bpsw);
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case 22:
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return gdb_get_regl(mem_buf, env->bpc);
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case 23:
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return gdb_get_regl(mem_buf, env->fintv);
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case 24:
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return gdb_get_regl(mem_buf, env->fpsw);
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case 25:
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return 0;
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}
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return 0;
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}
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int rx_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
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{
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RXCPU *cpu = RX_CPU(cs);
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CPURXState *env = &cpu->env;
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uint32_t psw;
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switch (n) {
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case 0 ... 15:
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env->regs[n] = ldl_p(mem_buf);
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if (n == 0) {
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if (env->psw_u) {
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env->usp = env->regs[0];
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} else {
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env->isp = env->regs[0];
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}
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}
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break;
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case 16:
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env->usp = ldl_p(mem_buf);
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if (env->psw_u) {
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env->regs[0] = ldl_p(mem_buf);
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}
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break;
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case 17:
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env->isp = ldl_p(mem_buf);
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if (!env->psw_u) {
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env->regs[0] = ldl_p(mem_buf);
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}
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break;
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case 18:
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psw = ldl_p(mem_buf);
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rx_cpu_unpack_psw(env, psw, 1);
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break;
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case 19:
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env->pc = ldl_p(mem_buf);
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break;
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case 20:
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env->intb = ldl_p(mem_buf);
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break;
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case 21:
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env->bpsw = ldl_p(mem_buf);
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break;
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case 22:
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env->bpc = ldl_p(mem_buf);
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break;
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case 23:
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env->fintv = ldl_p(mem_buf);
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break;
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case 24:
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env->fpsw = ldl_p(mem_buf);
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break;
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case 25:
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return 8;
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default:
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return 0;
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}
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return 4;
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}
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