mirror of https://github.com/xemu-project/xemu.git
target/loongarch: Add LASX data support
Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230914022645.1151356-12-gaosong@loongson.cn>
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cd1006176b
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@ -12,6 +12,7 @@
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#include "linux-user/trace.h"
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#include "target/loongarch/internals.h"
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#include "target/loongarch/vec.h"
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/* FP context was used */
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#define SC_USED_FP (1 << 0)
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@ -19,6 +19,7 @@
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#include "cpu-csr.h"
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#include "sysemu/reset.h"
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#include "tcg/tcg.h"
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#include "vec.h"
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const char * const regnames[32] = {
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
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@ -251,18 +251,20 @@ FIELD(TLB_MISC, ASID, 1, 10)
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FIELD(TLB_MISC, VPPN, 13, 35)
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FIELD(TLB_MISC, PS, 48, 6)
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#define LSX_LEN (128)
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#define LSX_LEN (128)
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#define LASX_LEN (256)
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typedef union VReg {
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int8_t B[LSX_LEN / 8];
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int16_t H[LSX_LEN / 16];
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int32_t W[LSX_LEN / 32];
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int64_t D[LSX_LEN / 64];
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uint8_t UB[LSX_LEN / 8];
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uint16_t UH[LSX_LEN / 16];
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uint32_t UW[LSX_LEN / 32];
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uint64_t UD[LSX_LEN / 64];
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Int128 Q[LSX_LEN / 128];
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}VReg;
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int8_t B[LASX_LEN / 8];
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int16_t H[LASX_LEN / 16];
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int32_t W[LASX_LEN / 32];
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int64_t D[LASX_LEN / 64];
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uint8_t UB[LASX_LEN / 8];
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uint16_t UH[LASX_LEN / 16];
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uint32_t UW[LASX_LEN / 32];
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uint64_t UD[LASX_LEN / 64];
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Int128 Q[LASX_LEN / 128];
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} VReg;
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typedef union fpr_t fpr_t;
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union fpr_t {
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@ -11,6 +11,7 @@
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#include "internals.h"
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#include "exec/gdbstub.h"
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#include "gdbstub/helpers.h"
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#include "vec.h"
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uint64_t read_fcc(CPULoongArchState *env)
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{
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@ -21,28 +21,6 @@
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/* Global bit for huge page */
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#define LOONGARCH_HGLOBAL_SHIFT 12
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#if HOST_BIG_ENDIAN
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#define B(x) B[15 - (x)]
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#define H(x) H[7 - (x)]
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#define W(x) W[3 - (x)]
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#define D(x) D[1 - (x)]
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#define UB(x) UB[15 - (x)]
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#define UH(x) UH[7 - (x)]
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#define UW(x) UW[3 - (x)]
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#define UD(x) UD[1 -(x)]
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#define Q(x) Q[x]
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#else
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#define B(x) B[x]
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#define H(x) H[x]
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#define W(x) W[x]
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#define D(x) D[x]
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#define UB(x) UB[x]
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#define UH(x) UH[x]
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#define UW(x) UW[x]
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#define UD(x) UD[x]
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#define Q(x) Q[x]
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#endif
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void loongarch_translate_init(void);
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void loongarch_cpu_dump_state(CPUState *cpu, FILE *f, int flags);
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@ -8,7 +8,7 @@
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "migration/cpu.h"
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#include "internals.h"
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#include "vec.h"
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static const VMStateDescription vmstate_fpu_reg = {
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.name = "fpu_reg",
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@ -76,6 +76,39 @@ static const VMStateDescription vmstate_lsx = {
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},
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};
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static const VMStateDescription vmstate_lasxh_reg = {
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.name = "lasxh_reg",
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.version_id = 1,
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.minimum_version_id = 1,
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.fields = (VMStateField[]) {
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VMSTATE_UINT64(UD(2), VReg),
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VMSTATE_UINT64(UD(3), VReg),
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VMSTATE_END_OF_LIST()
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}
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};
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#define VMSTATE_LASXH_REGS(_field, _state, _start) \
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VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, 32, 0, \
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vmstate_lasxh_reg, fpr_t)
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static bool lasx_needed(void *opaque)
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{
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LoongArchCPU *cpu = opaque;
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return FIELD_EX64(cpu->env.cpucfg[2], CPUCFG2, LASX);
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}
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static const VMStateDescription vmstate_lasx = {
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.name = "cpu/lasx",
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.version_id = 1,
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.minimum_version_id = 1,
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.needed = lasx_needed,
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.fields = (VMStateField[]) {
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VMSTATE_LASXH_REGS(env.fpr, LoongArchCPU, 0),
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VMSTATE_END_OF_LIST()
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},
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};
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/* TLB state */
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const VMStateDescription vmstate_tlb = {
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.name = "cpu/tlb",
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@ -163,6 +196,7 @@ const VMStateDescription vmstate_loongarch_cpu = {
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.subsections = (const VMStateDescription*[]) {
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&vmstate_fpu,
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&vmstate_lsx,
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&vmstate_lasx,
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NULL
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}
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};
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@ -18,6 +18,7 @@
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#include "fpu/softfloat.h"
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#include "translate.h"
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#include "internals.h"
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#include "vec.h"
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/* Global register indices */
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TCGv cpu_gpr[32], cpu_pc;
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@ -0,0 +1,33 @@
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* QEMU LoongArch vector utilitites
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*
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* Copyright (c) 2023 Loongson Technology Corporation Limited
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*/
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#ifndef LOONGARCH_VEC_H
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#define LOONGARCH_VEC_H
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#if HOST_BIG_ENDIAN
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#define B(x) B[(x) ^ 15]
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#define H(x) H[(x) ^ 7]
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#define W(x) W[(x) ^ 3]
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#define D(x) D[(x) ^ 1]
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#define UB(x) UB[(x) ^ 15]
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#define UH(x) UH[(x) ^ 7]
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#define UW(x) UW[(x) ^ 3]
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#define UD(x) UD[(x) ^ 1]
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#define Q(x) Q[x]
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#else
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#define B(x) B[x]
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#define H(x) H[x]
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#define W(x) W[x]
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#define D(x) D[x]
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#define UB(x) UB[x]
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#define UH(x) UH[x]
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#define UW(x) UW[x]
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#define UD(x) UD[x]
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#define Q(x) Q[x]
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#endif /* HOST_BIG_ENDIAN */
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#endif /* LOONGARCH_VEC_H */
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@ -12,6 +12,7 @@
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#include "fpu/softfloat.h"
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#include "internals.h"
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#include "tcg/tcg.h"
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#include "vec.h"
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#define DO_ADD(a, b) (a + b)
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#define DO_SUB(a, b) (a - b)
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