4ea5fe997d
These inline helpers are all used by target specific code so move them out of the general header so we don't needlessly pollute the rest of the API with target specific stuff. Note we have to include cpu.h in semihosting as it was relying on a side effect before. Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-21-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-21-richard.henderson@linaro.org>
112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
|
|
* RX gdb server stub
|
|
*
|
|
* Copyright (c) 2019 Yoshinori Sato
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2 or later, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include "qemu/osdep.h"
|
|
#include "cpu.h"
|
|
#include "gdbstub/helpers.h"
|
|
|
|
int rx_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
|
|
{
|
|
RXCPU *cpu = RX_CPU(cs);
|
|
CPURXState *env = &cpu->env;
|
|
|
|
switch (n) {
|
|
case 0 ... 15:
|
|
return gdb_get_regl(mem_buf, env->regs[n]);
|
|
case 16:
|
|
return gdb_get_regl(mem_buf, (env->psw_u) ? env->regs[0] : env->usp);
|
|
case 17:
|
|
return gdb_get_regl(mem_buf, (!env->psw_u) ? env->regs[0] : env->isp);
|
|
case 18:
|
|
return gdb_get_regl(mem_buf, rx_cpu_pack_psw(env));
|
|
case 19:
|
|
return gdb_get_regl(mem_buf, env->pc);
|
|
case 20:
|
|
return gdb_get_regl(mem_buf, env->intb);
|
|
case 21:
|
|
return gdb_get_regl(mem_buf, env->bpsw);
|
|
case 22:
|
|
return gdb_get_regl(mem_buf, env->bpc);
|
|
case 23:
|
|
return gdb_get_regl(mem_buf, env->fintv);
|
|
case 24:
|
|
return gdb_get_regl(mem_buf, env->fpsw);
|
|
case 25:
|
|
return 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int rx_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
|
|
{
|
|
RXCPU *cpu = RX_CPU(cs);
|
|
CPURXState *env = &cpu->env;
|
|
uint32_t psw;
|
|
switch (n) {
|
|
case 0 ... 15:
|
|
env->regs[n] = ldl_p(mem_buf);
|
|
if (n == 0) {
|
|
if (env->psw_u) {
|
|
env->usp = env->regs[0];
|
|
} else {
|
|
env->isp = env->regs[0];
|
|
}
|
|
}
|
|
break;
|
|
case 16:
|
|
env->usp = ldl_p(mem_buf);
|
|
if (env->psw_u) {
|
|
env->regs[0] = ldl_p(mem_buf);
|
|
}
|
|
break;
|
|
case 17:
|
|
env->isp = ldl_p(mem_buf);
|
|
if (!env->psw_u) {
|
|
env->regs[0] = ldl_p(mem_buf);
|
|
}
|
|
break;
|
|
case 18:
|
|
psw = ldl_p(mem_buf);
|
|
rx_cpu_unpack_psw(env, psw, 1);
|
|
break;
|
|
case 19:
|
|
env->pc = ldl_p(mem_buf);
|
|
break;
|
|
case 20:
|
|
env->intb = ldl_p(mem_buf);
|
|
break;
|
|
case 21:
|
|
env->bpsw = ldl_p(mem_buf);
|
|
break;
|
|
case 22:
|
|
env->bpc = ldl_p(mem_buf);
|
|
break;
|
|
case 23:
|
|
env->fintv = ldl_p(mem_buf);
|
|
break;
|
|
case 24:
|
|
env->fpsw = ldl_p(mem_buf);
|
|
break;
|
|
case 25:
|
|
return 8;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
return 4;
|
|
}
|