mirror of
https://github.com/Motorhead1991/qemu.git
synced 2025-08-01 14:53:54 -06:00
84307cd602
"exec/exec-all.h" is now fully empty, let's remove it. Mechanical change running: $ sed -i '/exec\/exec-all.h/d' $(git grep -wl exec/exec-all.h) Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-ID: <20250424202412.91612-14-philmd@linaro.org>
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/*
|
|
* RISC-V Zcmt Extension Helper for QEMU.
|
|
*
|
|
* Copyright (c) 2021-2022 PLCT Lab
|
|
*
|
|
* 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 "exec/helper-proto.h"
|
|
#include "accel/tcg/cpu-ldst.h"
|
|
|
|
target_ulong HELPER(cm_jalt)(CPURISCVState *env, uint32_t index)
|
|
{
|
|
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
RISCVException ret = smstateen_acc_ok(env, 0, SMSTATEEN0_JVT);
|
|
if (ret != RISCV_EXCP_NONE) {
|
|
riscv_raise_exception(env, ret, 0);
|
|
}
|
|
#endif
|
|
|
|
target_ulong target;
|
|
target_ulong val = env->jvt;
|
|
int xlen = riscv_cpu_xlen(env);
|
|
uint8_t mode = get_field(val, JVT_MODE);
|
|
target_ulong base = val & JVT_BASE;
|
|
target_ulong t0;
|
|
|
|
if (mode != 0) {
|
|
riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, 0);
|
|
}
|
|
|
|
if (xlen == 32) {
|
|
t0 = base + (index << 2);
|
|
target = cpu_ldl_code(env, t0);
|
|
} else {
|
|
t0 = base + (index << 3);
|
|
target = cpu_ldq_code(env, t0);
|
|
}
|
|
|
|
return target & ~0x1;
|
|
}
|