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target/loongarch: Add LASX data support

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Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230914022645.1151356-12-gaosong@loongson.cn>
This commit is contained in:
Song Gao 2023-09-14 10:25:59 +08:00
parent cd1006176b
commit 008a3b1662
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GPG key ID: 40A2FFF239263EDF
9 changed files with 86 additions and 34 deletions
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36
target/loongarch/machine.c
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@ -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(UD(2), VReg),
VMSTATE_UINT64(UD(3), VReg),
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",
@ -163,6 +196,7 @@ const VMStateDescription vmstate_loongarch_cpu = {
.subsections = (const VMStateDescription*[]) {
&vmstate_fpu,
&vmstate_lsx,
&vmstate_lasx,
NULL
}
};