mirror of
https://github.com/xemu-project/xemu.git
synced 2024-12-20 19:08:07 +00:00
25f327081b
Cleanup in the boilerplate that each target must define. Replace hppa_env_get_cpu with env_archcpu. The combination CPU(hppa_env_get_cpu) should have used ENV_GET_CPU to begin; use env_cpu now. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
130 lines
4.0 KiB
C
130 lines
4.0 KiB
C
/*
|
|
* HPPA emulation cpu helpers for qemu.
|
|
*
|
|
* Copyright (c) 2016 Richard Henderson <rth@twiddle.net>
|
|
*
|
|
* 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 "qemu/osdep.h"
|
|
|
|
#include "cpu.h"
|
|
#include "fpu/softfloat.h"
|
|
#include "exec/exec-all.h"
|
|
#include "exec/helper-proto.h"
|
|
#include "qemu/qemu-print.h"
|
|
|
|
target_ureg cpu_hppa_get_psw(CPUHPPAState *env)
|
|
{
|
|
target_ureg psw;
|
|
|
|
/* Fold carry bits down to 8 consecutive bits. */
|
|
/* ??? Needs tweaking for hppa64. */
|
|
/* .......b...c...d...e...f...g...h */
|
|
psw = (env->psw_cb >> 4) & 0x01111111;
|
|
/* .......b..bc..cd..de..ef..fg..gh */
|
|
psw |= psw >> 3;
|
|
/* .............bcd............efgh */
|
|
psw |= (psw >> 6) & 0x000f000f;
|
|
/* .........................bcdefgh */
|
|
psw |= (psw >> 12) & 0xf;
|
|
psw |= env->psw_cb_msb << 7;
|
|
psw = (psw & 0xff) << 8;
|
|
|
|
psw |= env->psw_n * PSW_N;
|
|
psw |= (env->psw_v < 0) * PSW_V;
|
|
psw |= env->psw;
|
|
|
|
return psw;
|
|
}
|
|
|
|
void cpu_hppa_put_psw(CPUHPPAState *env, target_ureg psw)
|
|
{
|
|
target_ureg old_psw = env->psw;
|
|
target_ureg cb = 0;
|
|
|
|
env->psw = psw & ~(PSW_N | PSW_V | PSW_CB);
|
|
env->psw_n = (psw / PSW_N) & 1;
|
|
env->psw_v = -((psw / PSW_V) & 1);
|
|
env->psw_cb_msb = (psw >> 15) & 1;
|
|
|
|
cb |= ((psw >> 14) & 1) << 28;
|
|
cb |= ((psw >> 13) & 1) << 24;
|
|
cb |= ((psw >> 12) & 1) << 20;
|
|
cb |= ((psw >> 11) & 1) << 16;
|
|
cb |= ((psw >> 10) & 1) << 12;
|
|
cb |= ((psw >> 9) & 1) << 8;
|
|
cb |= ((psw >> 8) & 1) << 4;
|
|
env->psw_cb = cb;
|
|
|
|
/* If PSW_P changes, it affects how we translate addresses. */
|
|
if ((psw ^ old_psw) & PSW_P) {
|
|
#ifndef CONFIG_USER_ONLY
|
|
tlb_flush_by_mmuidx(env_cpu(env), 0xf);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void hppa_cpu_dump_state(CPUState *cs, FILE *f, int flags)
|
|
{
|
|
HPPACPU *cpu = HPPA_CPU(cs);
|
|
CPUHPPAState *env = &cpu->env;
|
|
target_ureg psw = cpu_hppa_get_psw(env);
|
|
target_ureg psw_cb;
|
|
char psw_c[20];
|
|
int i;
|
|
|
|
qemu_fprintf(f, "IA_F " TARGET_FMT_lx " IA_B " TARGET_FMT_lx "\n",
|
|
hppa_form_gva_psw(psw, env->iasq_f, env->iaoq_f),
|
|
hppa_form_gva_psw(psw, env->iasq_b, env->iaoq_b));
|
|
|
|
psw_c[0] = (psw & PSW_W ? 'W' : '-');
|
|
psw_c[1] = (psw & PSW_E ? 'E' : '-');
|
|
psw_c[2] = (psw & PSW_S ? 'S' : '-');
|
|
psw_c[3] = (psw & PSW_T ? 'T' : '-');
|
|
psw_c[4] = (psw & PSW_H ? 'H' : '-');
|
|
psw_c[5] = (psw & PSW_L ? 'L' : '-');
|
|
psw_c[6] = (psw & PSW_N ? 'N' : '-');
|
|
psw_c[7] = (psw & PSW_X ? 'X' : '-');
|
|
psw_c[8] = (psw & PSW_B ? 'B' : '-');
|
|
psw_c[9] = (psw & PSW_C ? 'C' : '-');
|
|
psw_c[10] = (psw & PSW_V ? 'V' : '-');
|
|
psw_c[11] = (psw & PSW_M ? 'M' : '-');
|
|
psw_c[12] = (psw & PSW_F ? 'F' : '-');
|
|
psw_c[13] = (psw & PSW_R ? 'R' : '-');
|
|
psw_c[14] = (psw & PSW_Q ? 'Q' : '-');
|
|
psw_c[15] = (psw & PSW_P ? 'P' : '-');
|
|
psw_c[16] = (psw & PSW_D ? 'D' : '-');
|
|
psw_c[17] = (psw & PSW_I ? 'I' : '-');
|
|
psw_c[18] = '\0';
|
|
psw_cb = ((env->psw_cb >> 4) & 0x01111111) | (env->psw_cb_msb << 28);
|
|
|
|
qemu_fprintf(f, "PSW " TREG_FMT_lx " CB " TREG_FMT_lx " %s\n",
|
|
psw, psw_cb, psw_c);
|
|
|
|
for (i = 0; i < 32; i++) {
|
|
qemu_fprintf(f, "GR%02d " TREG_FMT_lx "%c", i, env->gr[i],
|
|
(i & 3) == 3 ? '\n' : ' ');
|
|
}
|
|
#ifndef CONFIG_USER_ONLY
|
|
for (i = 0; i < 8; i++) {
|
|
qemu_fprintf(f, "SR%02d %08x%c", i, (uint32_t)(env->sr[i] >> 32),
|
|
(i & 3) == 3 ? '\n' : ' ');
|
|
}
|
|
#endif
|
|
qemu_fprintf(f, "\n");
|
|
|
|
/* ??? FR */
|
|
}
|