@@ -12,6 +12,7 @@
#include "linux-user/trace.h"
#include "target/loongarch/internals.h"
+#include "target/loongarch/vec.h"
/* FP context was used */
#define SC_USED_FP (1 << 0)
@@ -18,6 +18,7 @@
#include "cpu-csr.h"
#include "sysemu/reset.h"
#include "tcg/tcg.h"
+#include "vec.h"
const char * const regnames[32] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
@@ -259,9 +259,23 @@ typedef union VReg {
Int128 Q[LSX_LEN / 128];
}VReg;
+#define LASX_LEN (256)
+typedef union XReg {
+ int8_t XB[LASX_LEN / 8];
+ int16_t XH[LASX_LEN / 16];
+ int32_t XW[LASX_LEN / 32];
+ int64_t XD[LASX_LEN / 64];
+ uint8_t UXB[LASX_LEN / 8];
+ uint16_t UXH[LASX_LEN / 16];
+ uint32_t UXW[LASX_LEN / 32];
+ uint64_t UXD[LASX_LEN / 64];
+ Int128 XQ[LASX_LEN / 128];
+} XReg;
+
typedef union fpr_t fpr_t;
union fpr_t {
VReg vreg;
+ XReg xreg;
};
struct LoongArchTLB {
@@ -11,6 +11,7 @@
#include "internals.h"
#include "exec/gdbstub.h"
#include "gdbstub/helpers.h"
+#include "vec.h"
uint64_t read_fcc(CPULoongArchState *env)
{
@@ -21,28 +21,6 @@
/* Global bit for huge page */
#define LOONGARCH_HGLOBAL_SHIFT 12
-#if HOST_BIG_ENDIAN
-#define B(x) B[15 - (x)]
-#define H(x) H[7 - (x)]
-#define W(x) W[3 - (x)]
-#define D(x) D[1 - (x)]
-#define UB(x) UB[15 - (x)]
-#define UH(x) UH[7 - (x)]
-#define UW(x) UW[3 - (x)]
-#define UD(x) UD[1 -(x)]
-#define Q(x) Q[x]
-#else
-#define B(x) B[x]
-#define H(x) H[x]
-#define W(x) W[x]
-#define D(x) D[x]
-#define UB(x) UB[x]
-#define UH(x) UH[x]
-#define UW(x) UW[x]
-#define UD(x) UD[x]
-#define Q(x) Q[x]
-#endif
-
void loongarch_translate_init(void);
void loongarch_cpu_dump_state(CPUState *cpu, FILE *f, int flags);
@@ -12,6 +12,7 @@
#include "fpu/softfloat.h"
#include "internals.h"
#include "tcg/tcg.h"
+#include "vec.h"
#define DO_ADD(a, b) (a + b)
#define DO_SUB(a, b) (a - b)
@@ -8,7 +8,7 @@
#include "qemu/osdep.h"
#include "cpu.h"
#include "migration/cpu.h"
-#include "internals.h"
+#include "vec.h"
static const VMStateDescription vmstate_fpu_reg = {
.name = "fpu_reg",
@@ -76,6 +76,39 @@ static const VMStateDescription vmstate_lsx = {
},
};
+static const VMStateDescription vmstate_lasxh_reg = {
+ .name = "lasxh_reg",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64(UXD(2), XReg),
+ VMSTATE_UINT64(UXD(3), XReg),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+#define VMSTATE_LASXH_REGS(_field, _state, _start) \
+ VMSTATE_STRUCT_SUB_ARRAY(_field, _state, _start, 32, 0, \
+ vmstate_lasxh_reg, fpr_t)
+
+static bool lasx_needed(void *opaque)
+{
+ LoongArchCPU *cpu = opaque;
+
+ return FIELD_EX64(cpu->env.cpucfg[2], CPUCFG2, LASX);
+}
+
+static const VMStateDescription vmstate_lasx = {
+ .name = "cpu/lasx",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = lasx_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_LASXH_REGS(env.fpr, LoongArchCPU, 0),
+ VMSTATE_END_OF_LIST()
+ },
+};
+
/* TLB state */
const VMStateDescription vmstate_tlb = {
.name = "cpu/tlb",
@@ -92,8 +125,8 @@ const VMStateDescription vmstate_tlb = {
/* LoongArch CPU state */
const VMStateDescription vmstate_loongarch_cpu = {
.name = "cpu",
- .version_id = 1,
- .minimum_version_id = 1,
+ .version_id = 2,
+ .minimum_version_id = 2,
.fields = (VMStateField[]) {
VMSTATE_UINTTL_ARRAY(env.gpr, LoongArchCPU, 32),
VMSTATE_UINTTL(env.pc, LoongArchCPU),
@@ -163,6 +196,7 @@ const VMStateDescription vmstate_loongarch_cpu = {
.subsections = (const VMStateDescription*[]) {
&vmstate_fpu,
&vmstate_lsx,
+ &vmstate_lasx,
NULL
}
};
new file mode 100644
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * QEMU LoongArch vector utilitites
+ *
+ * Copyright (c) 2023 Loongson Technology Corporation Limited
+ */
+
+#ifndef LOONGARCH_VEC_H
+#define LOONGARCH_VEC_H
+
+#if HOST_BIG_ENDIAN
+#define B(x) B[15 - (x)]
+#define H(x) H[7 - (x)]
+#define W(x) W[3 - (x)]
+#define D(x) D[1 - (x)]
+#define UB(x) UB[15 - (x)]
+#define UH(x) UH[7 - (x)]
+#define UW(x) UW[3 - (x)]
+#define UD(x) UD[1 - (x)]
+#define Q(x) Q[x]
+#define XB(x) XB[31 - (x)]
+#define XH(x) XH[15 - (x)]
+#define XW(x) XW[7 - (x)]
+#define XD(x) XD[3 - (x)]
+#define UXB(x) UXB[31 - (x)]
+#define UXH(x) UXH[15 - (x)]
+#define UXW(x) UXW[7 - (x)]
+#define UXD(x) UXD[3 - (x)]
+#define XQ(x) XQ[1 - (x)]
+#else
+#define B(x) B[x]
+#define H(x) H[x]
+#define W(x) W[x]
+#define D(x) D[x]
+#define UB(x) UB[x]
+#define UH(x) UH[x]
+#define UW(x) UW[x]
+#define UD(x) UD[x]
+#define Q(x) Q[x]
+#define XB(x) XB[x]
+#define XH(x) XH[x]
+#define XW(x) XW[x]
+#define XD(x) XD[x]
+#define UXB(x) UXB[x]
+#define UXH(x) UXH[x]
+#define UXW(x) UXW[x]
+#define UXD(x) UXD[x]
+#define XQ(x) XQ[x]
+#endif /* HOST_BIG_ENDIAN */
+
+#endif /* LOONGARCH_VEC_H */
Signed-off-by: Song Gao <gaosong@loongson.cn> --- linux-user/loongarch64/signal.c | 1 + target/loongarch/cpu.c | 1 + target/loongarch/cpu.h | 14 +++++++++ target/loongarch/gdbstub.c | 1 + target/loongarch/internals.h | 22 -------------- target/loongarch/lsx_helper.c | 1 + target/loongarch/machine.c | 40 ++++++++++++++++++++++++-- target/loongarch/vec.h | 51 +++++++++++++++++++++++++++++++++ 8 files changed, 106 insertions(+), 25 deletions(-) create mode 100644 target/loongarch/vec.h