d6ea423635
There is no "version 2" of the "Lesser" General Public License. It is either "GPL version 2.0" or "Lesser GPL version 2.1". This patch replaces all occurrences of "Lesser GPL version 2" with "Lesser GPL version 2.1" in comment section. Signed-off-by: Chetan Pant <chetan4windows@gmail.com> Message-Id: <20201023123353.19796-1-chetan4windows@gmail.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
130 lines
4 KiB
C
130 lines
4 KiB
C
/*
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* HPPA emulation cpu helpers for qemu.
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*
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* Copyright (c) 2016 Richard Henderson <rth@twiddle.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; 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 "fpu/softfloat.h"
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#include "exec/exec-all.h"
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#include "exec/helper-proto.h"
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#include "qemu/qemu-print.h"
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target_ureg cpu_hppa_get_psw(CPUHPPAState *env)
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{
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target_ureg psw;
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/* Fold carry bits down to 8 consecutive bits. */
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/* ??? Needs tweaking for hppa64. */
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/* .......b...c...d...e...f...g...h */
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psw = (env->psw_cb >> 4) & 0x01111111;
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/* .......b..bc..cd..de..ef..fg..gh */
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psw |= psw >> 3;
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/* .............bcd............efgh */
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psw |= (psw >> 6) & 0x000f000f;
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/* .........................bcdefgh */
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psw |= (psw >> 12) & 0xf;
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psw |= env->psw_cb_msb << 7;
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psw = (psw & 0xff) << 8;
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psw |= env->psw_n * PSW_N;
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psw |= (env->psw_v < 0) * PSW_V;
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psw |= env->psw;
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return psw;
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}
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void cpu_hppa_put_psw(CPUHPPAState *env, target_ureg psw)
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{
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target_ureg old_psw = env->psw;
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target_ureg cb = 0;
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env->psw = psw & ~(PSW_N | PSW_V | PSW_CB);
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env->psw_n = (psw / PSW_N) & 1;
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env->psw_v = -((psw / PSW_V) & 1);
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env->psw_cb_msb = (psw >> 15) & 1;
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cb |= ((psw >> 14) & 1) << 28;
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cb |= ((psw >> 13) & 1) << 24;
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cb |= ((psw >> 12) & 1) << 20;
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cb |= ((psw >> 11) & 1) << 16;
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cb |= ((psw >> 10) & 1) << 12;
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cb |= ((psw >> 9) & 1) << 8;
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cb |= ((psw >> 8) & 1) << 4;
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env->psw_cb = cb;
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/* If PSW_P changes, it affects how we translate addresses. */
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if ((psw ^ old_psw) & PSW_P) {
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#ifndef CONFIG_USER_ONLY
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tlb_flush_by_mmuidx(env_cpu(env), 0xf);
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#endif
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}
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}
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void hppa_cpu_dump_state(CPUState *cs, FILE *f, int flags)
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{
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HPPACPU *cpu = HPPA_CPU(cs);
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CPUHPPAState *env = &cpu->env;
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target_ureg psw = cpu_hppa_get_psw(env);
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target_ureg psw_cb;
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char psw_c[20];
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int i;
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qemu_fprintf(f, "IA_F " TARGET_FMT_lx " IA_B " TARGET_FMT_lx "\n",
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hppa_form_gva_psw(psw, env->iasq_f, env->iaoq_f),
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hppa_form_gva_psw(psw, env->iasq_b, env->iaoq_b));
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psw_c[0] = (psw & PSW_W ? 'W' : '-');
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psw_c[1] = (psw & PSW_E ? 'E' : '-');
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psw_c[2] = (psw & PSW_S ? 'S' : '-');
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psw_c[3] = (psw & PSW_T ? 'T' : '-');
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psw_c[4] = (psw & PSW_H ? 'H' : '-');
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psw_c[5] = (psw & PSW_L ? 'L' : '-');
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psw_c[6] = (psw & PSW_N ? 'N' : '-');
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psw_c[7] = (psw & PSW_X ? 'X' : '-');
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psw_c[8] = (psw & PSW_B ? 'B' : '-');
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psw_c[9] = (psw & PSW_C ? 'C' : '-');
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psw_c[10] = (psw & PSW_V ? 'V' : '-');
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psw_c[11] = (psw & PSW_M ? 'M' : '-');
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psw_c[12] = (psw & PSW_F ? 'F' : '-');
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psw_c[13] = (psw & PSW_R ? 'R' : '-');
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psw_c[14] = (psw & PSW_Q ? 'Q' : '-');
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psw_c[15] = (psw & PSW_P ? 'P' : '-');
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psw_c[16] = (psw & PSW_D ? 'D' : '-');
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psw_c[17] = (psw & PSW_I ? 'I' : '-');
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psw_c[18] = '\0';
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psw_cb = ((env->psw_cb >> 4) & 0x01111111) | (env->psw_cb_msb << 28);
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qemu_fprintf(f, "PSW " TREG_FMT_lx " CB " TREG_FMT_lx " %s\n",
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psw, psw_cb, psw_c);
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for (i = 0; i < 32; i++) {
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qemu_fprintf(f, "GR%02d " TREG_FMT_lx "%c", i, env->gr[i],
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(i & 3) == 3 ? '\n' : ' ');
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}
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#ifndef CONFIG_USER_ONLY
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for (i = 0; i < 8; i++) {
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qemu_fprintf(f, "SR%02d %08x%c", i, (uint32_t)(env->sr[i] >> 32),
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(i & 3) == 3 ? '\n' : ' ');
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}
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#endif
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qemu_fprintf(f, "\n");
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/* ??? FR */
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}
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