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target/mips: Add more CP0 register for save/restore 

Add more CP0 register for save/restore, including: EBase, XContext,
PageGrain, PWBase, PWSize, PWField, PWCtl, Config*, KScratch1~KScratch6.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <1588501221-1205-6-git-send-email-chenhc@lemote.com>
This commit is contained in:
Huacai Chen 2020-05-03 18:20:19 +08:00 committed by Aleksandar Markovic
parent c3173a35bc
commit 7e0896b0e1
2 changed files with 216 additions and 2 deletions
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212
target/mips/kvm.c
View File

@ -245,10 +245,16 @@ int kvm_mips_set_ipi_interrupt(MIPSCPU *cpu, int irq, int level)
(KVM_REG_MIPS_CP0 | KVM_REG_SIZE_U64 | (8 * (_R) + (_S)))
#define KVM_REG_MIPS_CP0_INDEX MIPS_CP0_32(0, 0)
#define KVM_REG_MIPS_CP0_RANDOM MIPS_CP0_32(1, 0)
#define KVM_REG_MIPS_CP0_CONTEXT MIPS_CP0_64(4, 0)
#define KVM_REG_MIPS_CP0_USERLOCAL MIPS_CP0_64(4, 2)
#define KVM_REG_MIPS_CP0_PAGEMASK MIPS_CP0_32(5, 0)
#define KVM_REG_MIPS_CP0_PAGEGRAIN MIPS_CP0_32(5, 1)
#define KVM_REG_MIPS_CP0_PWBASE MIPS_CP0_64(5, 5)
#define KVM_REG_MIPS_CP0_PWFIELD MIPS_CP0_64(5, 6)
#define KVM_REG_MIPS_CP0_PWSIZE MIPS_CP0_64(5, 7)
#define KVM_REG_MIPS_CP0_WIRED MIPS_CP0_32(6, 0)
#define KVM_REG_MIPS_CP0_PWCTL MIPS_CP0_32(6, 6)
#define KVM_REG_MIPS_CP0_HWRENA MIPS_CP0_32(7, 0)
#define KVM_REG_MIPS_CP0_BADVADDR MIPS_CP0_64(8, 0)
#define KVM_REG_MIPS_CP0_COUNT MIPS_CP0_32(9, 0)
@ -258,13 +264,22 @@ int kvm_mips_set_ipi_interrupt(MIPSCPU *cpu, int irq, int level)
#define KVM_REG_MIPS_CP0_CAUSE MIPS_CP0_32(13, 0)
#define KVM_REG_MIPS_CP0_EPC MIPS_CP0_64(14, 0)
#define KVM_REG_MIPS_CP0_PRID MIPS_CP0_32(15, 0)
#define KVM_REG_MIPS_CP0_EBASE MIPS_CP0_64(15, 1)
#define KVM_REG_MIPS_CP0_CONFIG MIPS_CP0_32(16, 0)
#define KVM_REG_MIPS_CP0_CONFIG1 MIPS_CP0_32(16, 1)
#define KVM_REG_MIPS_CP0_CONFIG2 MIPS_CP0_32(16, 2)
#define KVM_REG_MIPS_CP0_CONFIG3 MIPS_CP0_32(16, 3)
#define KVM_REG_MIPS_CP0_CONFIG4 MIPS_CP0_32(16, 4)
#define KVM_REG_MIPS_CP0_CONFIG5 MIPS_CP0_32(16, 5)
#define KVM_REG_MIPS_CP0_CONFIG6 MIPS_CP0_32(16, 6)
#define KVM_REG_MIPS_CP0_XCONTEXT MIPS_CP0_64(20, 0)
#define KVM_REG_MIPS_CP0_ERROREPC MIPS_CP0_64(30, 0)
#define KVM_REG_MIPS_CP0_KSCRATCH1 MIPS_CP0_64(31, 2)
#define KVM_REG_MIPS_CP0_KSCRATCH2 MIPS_CP0_64(31, 3)
#define KVM_REG_MIPS_CP0_KSCRATCH3 MIPS_CP0_64(31, 4)
#define KVM_REG_MIPS_CP0_KSCRATCH4 MIPS_CP0_64(31, 5)
#define KVM_REG_MIPS_CP0_KSCRATCH5 MIPS_CP0_64(31, 6)
#define KVM_REG_MIPS_CP0_KSCRATCH6 MIPS_CP0_64(31, 7)
static inline int kvm_mips_put_one_reg(CPUState *cs, uint64_t reg_id,
int32_t *addr)
@ -394,6 +409,29 @@ static inline int kvm_mips_get_one_ureg64(CPUState *cs, uint64_t reg_id,
(1U << CP0C5_UFE) | \
(1U << CP0C5_FRE) | \
(1U << CP0C5_UFR))
#define KVM_REG_MIPS_CP0_CONFIG6_MASK ((1U << CP0C6_BPPASS) | \
(0x3fU << CP0C6_KPOS) | \
(1U << CP0C6_KE) | \
(1U << CP0C6_VTLBONLY) | \
(1U << CP0C6_LASX) | \
(1U << CP0C6_SSEN) | \
(1U << CP0C6_DISDRTIME) | \
(1U << CP0C6_PIXNUEN) | \
(1U << CP0C6_SCRAND) | \
(1U << CP0C6_LLEXCEN) | \
(1U << CP0C6_DISVC) | \
(1U << CP0C6_VCLRU) | \
(1U << CP0C6_DCLRU) | \
(1U << CP0C6_PIXUEN) | \
(1U << CP0C6_DISBLKLYEN) | \
(1U << CP0C6_UMEMUALEN) | \
(1U << CP0C6_SFBEN) | \
(1U << CP0C6_FLTINT) | \
(1U << CP0C6_VLTINT) | \
(1U << CP0C6_DISBTB) | \
(3U << CP0C6_STPREFCTL) | \
(1U << CP0C6_INSTPREF) | \
(1U << CP0C6_DATAPREF))
static inline int kvm_mips_change_one_reg(CPUState *cs, uint64_t reg_id,
int32_t *addr, int32_t mask)
@ -729,6 +767,11 @@ static int kvm_mips_put_cp0_registers(CPUState *cs, int level)
DPRINTF("%s: Failed to put CP0_INDEX (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_reg(cs, KVM_REG_MIPS_CP0_RANDOM, &env->CP0_Random);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_RANDOM (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_CONTEXT,
&env->CP0_Context);
if (err < 0) {
@ -747,11 +790,40 @@ static int kvm_mips_put_cp0_registers(CPUState *cs, int level)
DPRINTF("%s: Failed to put CP0_PAGEMASK (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_reg(cs, KVM_REG_MIPS_CP0_PAGEGRAIN,
&env->CP0_PageGrain);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_PAGEGRAIN (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_PWBASE,
&env->CP0_PWBase);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_PWBASE (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_PWFIELD,
&env->CP0_PWField);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_PWField (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_PWSIZE,
&env->CP0_PWSize);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_PWSIZE (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_reg(cs, KVM_REG_MIPS_CP0_WIRED, &env->CP0_Wired);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_WIRED (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_reg(cs, KVM_REG_MIPS_CP0_PWCTL, &env->CP0_PWCtl);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_PWCTL (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_reg(cs, KVM_REG_MIPS_CP0_HWRENA, &env->CP0_HWREna);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_HWRENA (%d)\n", __func__, err);
@ -799,6 +871,11 @@ static int kvm_mips_put_cp0_registers(CPUState *cs, int level)
DPRINTF("%s: Failed to put CP0_PRID (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_EBASE, &env->CP0_EBase);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_EBASE (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_change_one_reg(cs, KVM_REG_MIPS_CP0_CONFIG,
&env->CP0_Config0,
KVM_REG_MIPS_CP0_CONFIG_MASK);
@ -841,12 +918,61 @@ static int kvm_mips_put_cp0_registers(CPUState *cs, int level)
DPRINTF("%s: Failed to change CP0_CONFIG5 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_change_one_reg(cs, KVM_REG_MIPS_CP0_CONFIG6,
&env->CP0_Config6,
KVM_REG_MIPS_CP0_CONFIG6_MASK);
if (err < 0) {
DPRINTF("%s: Failed to change CP0_CONFIG6 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_XCONTEXT,
&env->CP0_XContext);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_XCONTEXT (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_ERROREPC,
&env->CP0_ErrorEPC);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_ERROREPC (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH1,
&env->CP0_KScratch[0]);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_KSCRATCH1 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH2,
&env->CP0_KScratch[1]);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_KSCRATCH2 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH3,
&env->CP0_KScratch[2]);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_KSCRATCH3 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH4,
&env->CP0_KScratch[3]);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_KSCRATCH4 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH5,
&env->CP0_KScratch[4]);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_KSCRATCH5 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_put_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH6,
&env->CP0_KScratch[5]);
if (err < 0) {
DPRINTF("%s: Failed to put CP0_KSCRATCH6 (%d)\n", __func__, err);
ret = err;
}
return ret;
}
@ -862,6 +988,11 @@ static int kvm_mips_get_cp0_registers(CPUState *cs)
DPRINTF("%s: Failed to get CP0_INDEX (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_reg(cs, KVM_REG_MIPS_CP0_RANDOM, &env->CP0_Random);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_RANDOM (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_CONTEXT,
&env->CP0_Context);
if (err < 0) {
@ -880,11 +1011,40 @@ static int kvm_mips_get_cp0_registers(CPUState *cs)
DPRINTF("%s: Failed to get CP0_PAGEMASK (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_reg(cs, KVM_REG_MIPS_CP0_PAGEGRAIN,
&env->CP0_PageGrain);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_PAGEGRAIN (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_PWBASE,
&env->CP0_PWBase);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_PWBASE (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_PWFIELD,
&env->CP0_PWField);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_PWFIELD (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_PWSIZE,
&env->CP0_PWSize);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_PWSIZE (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_reg(cs, KVM_REG_MIPS_CP0_WIRED, &env->CP0_Wired);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_WIRED (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_reg(cs, KVM_REG_MIPS_CP0_PWCTL, &env->CP0_PWCtl);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_PWCtl (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_reg(cs, KVM_REG_MIPS_CP0_HWRENA, &env->CP0_HWREna);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_HWRENA (%d)\n", __func__, err);
@ -932,6 +1092,11 @@ static int kvm_mips_get_cp0_registers(CPUState *cs)
DPRINTF("%s: Failed to get CP0_PRID (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_EBASE, &env->CP0_EBase);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_EBASE (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_reg(cs, KVM_REG_MIPS_CP0_CONFIG, &env->CP0_Config0);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_CONFIG (%d)\n", __func__, err);
@ -962,12 +1127,59 @@ static int kvm_mips_get_cp0_registers(CPUState *cs)
DPRINTF("%s: Failed to get CP0_CONFIG5 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_reg(cs, KVM_REG_MIPS_CP0_CONFIG6, &env->CP0_Config6);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_CONFIG6 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_XCONTEXT,
&env->CP0_XContext);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_XCONTEXT (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_ERROREPC,
&env->CP0_ErrorEPC);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_ERROREPC (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH1,
&env->CP0_KScratch[0]);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_KSCRATCH1 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH2,
&env->CP0_KScratch[1]);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_KSCRATCH2 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH3,
&env->CP0_KScratch[2]);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_KSCRATCH3 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH4,
&env->CP0_KScratch[3]);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_KSCRATCH4 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH5,
&env->CP0_KScratch[4]);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_KSCRATCH5 (%d)\n", __func__, err);
ret = err;
}
err = kvm_mips_get_one_ulreg(cs, KVM_REG_MIPS_CP0_KSCRATCH6,
&env->CP0_KScratch[5]);
if (err < 0) {
DPRINTF("%s: Failed to get CP0_KSCRATCH6 (%d)\n", __func__, err);
ret = err;
}
return ret;
}

6
target/mips/machine.c
View File

@ -212,8 +212,8 @@ const VMStateDescription vmstate_tlb = {
const VMStateDescription vmstate_mips_cpu = {
.name = "cpu",
.version_id = 19,
.minimum_version_id = 19,
.version_id = 20,
.minimum_version_id = 20,
.post_load = cpu_post_load,
.fields = (VMStateField[]) {
/* Active TC */
@ -289,6 +289,8 @@ const VMStateDescription vmstate_mips_cpu = {
VMSTATE_INT32(env.CP0_Config1, MIPSCPU),
VMSTATE_INT32(env.CP0_Config2, MIPSCPU),
VMSTATE_INT32(env.CP0_Config3, MIPSCPU),
VMSTATE_INT32(env.CP0_Config4, MIPSCPU),
VMSTATE_INT32(env.CP0_Config5, MIPSCPU),
VMSTATE_INT32(env.CP0_Config6, MIPSCPU),
VMSTATE_INT32(env.CP0_Config7, MIPSCPU),
VMSTATE_UINT64(env.CP0_LLAddr, MIPSCPU),