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target/rx: CPU definitions

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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
[PMD: Use newer QOM style, split cpu-qom.h, restrict access to
 extable array, use rx_cpu_tlb_fill() extracted from patch of
 Yoshinori Sato 'Convert to CPUClass::tlb_fill', call cpu_reset
 after qemu_init_vcpu, make rx_crname a function]
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200224141923.82118-7-ysato@users.sourceforge.jp>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
[PMD: Use GByteArray in gdbstub (rebase commit a010bdbe),
 use device_class_set_parent_reset (rebase commit 781c67ca)]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Yoshinori Sato 2019-01-21 05:23:56 -08:00 • committed by Philippe Mathieu-Daudé
parent 075d047e2b
commit 27a4a30e29
8 changed files with 682 additions and 6 deletions
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112
target/rx/gdbstub.c Normal file
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/*
* 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 "qemu-common.h"
#include "cpu.h"
#include "exec/gdbstub.h"
int rx_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
{
RXCPU *cpu = RXCPU(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 = RXCPU(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;
}