motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2026-03-13 06:16:05 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

arm/cpu: Store aa64isar1/2 into the idregs array

Browse source 
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Message-id: 20250617153931.1330449-4-cohuck@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Eric Auger 2025-07-01 15:08:26 +01:00 • committed by Peter Maydell
parent 804cfc7eed
commit 03380dd993
8 changed files with 48 additions and 56 deletions
Download patch file Download diff file Expand all files Collapse all files

44
target/arm/cpu-features.h
View file

@ -468,17 +468,17 @@ static inline bool isar_feature_aa64_tlbios(const ARMISARegisters *id)
static inline bool isar_feature_aa64_jscvt(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, JSCVT) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, JSCVT) != 0;
}
static inline bool isar_feature_aa64_fcma(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, FCMA) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, FCMA) != 0;
}
static inline bool isar_feature_aa64_xs(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, XS) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, XS) != 0;
}
/*
@ -502,9 +502,9 @@ isar_feature_pauth_feature(const ARMISARegisters *id)
* Architecturally, only one of {APA,API,APA3} may be active (non-zero)
* and the other two must be zero. Thus we may avoid conditionals.
*/
return (FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, APA) |
FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, API) |
FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, APA3));
return (FIELD_EX64_IDREG(id, ID_AA64ISAR1, APA) |
FIELD_EX64_IDREG(id, ID_AA64ISAR1, API) |
FIELD_EX64_IDREG(id, ID_AA64ISAR2, APA3));
}
static inline bool isar_feature_aa64_pauth(const ARMISARegisters *id)
@ -522,7 +522,7 @@ static inline bool isar_feature_aa64_pauth_qarma5(const ARMISARegisters *id)
* Return true if pauth is enabled with the architected QARMA5 algorithm.
* QEMU will always enable or disable both APA and GPA.
*/
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, APA) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, APA) != 0;
}
static inline bool isar_feature_aa64_pauth_qarma3(const ARMISARegisters *id)
@ -531,77 +531,77 @@ static inline bool isar_feature_aa64_pauth_qarma3(const ARMISARegisters *id)
* Return true if pauth is enabled with the architected QARMA3 algorithm.
* QEMU will always enable or disable both APA3 and GPA3.
*/
return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, APA3) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR2, APA3) != 0;
}
static inline bool isar_feature_aa64_sb(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, SB) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, SB) != 0;
}
static inline bool isar_feature_aa64_predinv(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, SPECRES) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, SPECRES) != 0;
}
static inline bool isar_feature_aa64_frint(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, FRINTTS) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, FRINTTS) != 0;
}
static inline bool isar_feature_aa64_dcpop(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, DPB) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, DPB) != 0;
}
static inline bool isar_feature_aa64_dcpodp(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, DPB) >= 2;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, DPB) >= 2;
}
static inline bool isar_feature_aa64_bf16(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, BF16) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, BF16) != 0;
}
static inline bool isar_feature_aa64_ebf16(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, BF16) > 1;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, BF16) > 1;
}
static inline bool isar_feature_aa64_rcpc_8_3(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, LRCPC) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, LRCPC) != 0;
}
static inline bool isar_feature_aa64_rcpc_8_4(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, LRCPC) >= 2;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, LRCPC) >= 2;
}
static inline bool isar_feature_aa64_i8mm(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, I8MM) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR1, I8MM) != 0;
}
static inline bool isar_feature_aa64_wfxt(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, WFXT) >= 2;
return FIELD_EX64_IDREG(id, ID_AA64ISAR2, WFXT) >= 2;
}
static inline bool isar_feature_aa64_hbc(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, BC) != 0;
return FIELD_EX64_IDREG(id, ID_AA64ISAR2, BC) != 0;
}
static inline bool isar_feature_aa64_mops(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, MOPS);
return FIELD_EX64_IDREG(id, ID_AA64ISAR2, MOPS);
}
static inline bool isar_feature_aa64_rpres(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, RPRES);
return FIELD_EX64_IDREG(id, ID_AA64ISAR2, RPRES);
}
static inline bool isar_feature_aa64_fp_simd(const ARMISARegisters *id)

13
target/arm/cpu.c
View file

@ -2123,9 +2123,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
uint64_t t;
uint32_t u;
t = cpu->isar.id_aa64isar1;
t = FIELD_DP64(t, ID_AA64ISAR1, JSCVT, 0);
cpu->isar.id_aa64isar1 = t;
FIELD_DP64_IDREG(isar, ID_AA64ISAR1, JSCVT, 0);
t = cpu->isar.id_aa64pfr0;
t = FIELD_DP64(t, ID_AA64PFR0, FP, 0xf);
@ -2178,11 +2176,11 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
t = FIELD_DP64(t, ID_AA64ISAR0, DP, 0);
SET_IDREG(isar, ID_AA64ISAR0, t);
t = cpu->isar.id_aa64isar1;
t = GET_IDREG(isar, ID_AA64ISAR1);
t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 0);
t = FIELD_DP64(t, ID_AA64ISAR1, BF16, 0);
t = FIELD_DP64(t, ID_AA64ISAR1, I8MM, 0);
cpu->isar.id_aa64isar1 = t;
SET_IDREG(isar, ID_AA64ISAR1, t);
t = cpu->isar.id_aa64pfr0;
t = FIELD_DP64(t, ID_AA64PFR0, ADVSIMD, 0xf);
@ -2218,14 +2216,11 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
}
if (!cpu->has_neon && !cpu->has_vfp) {
uint64_t t;
uint32_t u;
FIELD_DP64_IDREG(isar, ID_AA64ISAR0, FHM, 0);
t = cpu->isar.id_aa64isar1;
t = FIELD_DP64(t, ID_AA64ISAR1, FRINTTS, 0);
cpu->isar.id_aa64isar1 = t;
FIELD_DP64_IDREG(isar, ID_AA64ISAR1, FRINTTS, 0);
u = cpu->isar.mvfr0;
u = FIELD_DP32(u, MVFR0, SIMDREG, 0);

2
target/arm/cpu.h
View file

@ -1074,8 +1074,6 @@ struct ArchCPU {
uint32_t dbgdidr;
uint32_t dbgdevid;
uint32_t dbgdevid1;
uint64_t id_aa64isar1;
uint64_t id_aa64isar2;
uint64_t id_aa64pfr0;
uint64_t id_aa64pfr1;
uint64_t id_aa64mmfr0;

9
target/arm/cpu64.c
View file

@ -502,6 +502,7 @@ void aarch64_add_sme_properties(Object *obj)
void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp)
{
ARMPauthFeature features = cpu_isar_feature(pauth_feature, cpu);
ARMISARegisters *isar = &cpu->isar;
uint64_t isar1, isar2;
/*
@ -512,13 +513,13 @@ void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp)
*
* Begin by disabling all fields.
*/
isar1 = cpu->isar.id_aa64isar1;
isar1 = GET_IDREG(isar, ID_AA64ISAR1);
isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, APA, 0);
isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, GPA, 0);
isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, API, 0);
isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, GPI, 0);
isar2 = cpu->isar.id_aa64isar2;
isar2 = GET_IDREG(isar, ID_AA64ISAR2);
isar2 = FIELD_DP64(isar2, ID_AA64ISAR2, APA3, 0);
isar2 = FIELD_DP64(isar2, ID_AA64ISAR2, GPA3, 0);
@ -580,8 +581,8 @@ void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp)
}
}
cpu->isar.id_aa64isar1 = isar1;
cpu->isar.id_aa64isar2 = isar2;
SET_IDREG(isar, ID_AA64ISAR1, isar1);
SET_IDREG(isar, ID_AA64ISAR2, isar2);
}
static const Property arm_cpu_pauth_property =

4
target/arm/helper.c
View file

@ -8008,12 +8008,12 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 1,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
.resetvalue = cpu->isar.id_aa64isar1 },
.resetvalue = GET_IDREG(isar, ID_AA64ISAR1)},
{ .name = "ID_AA64ISAR2_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 2,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
.resetvalue = cpu->isar.id_aa64isar2 },
.resetvalue = GET_IDREG(isar, ID_AA64ISAR2)},
{ .name = "ID_AA64ISAR3_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 3,
.access = PL1_R, .type = ARM_CP_CONST,

2
target/arm/hvf/hvf.c
View file

@ -868,7 +868,7 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
{ HV_SYS_REG_ID_AA64DFR0_EL1, &host_isar.id_aa64dfr0 },
{ HV_SYS_REG_ID_AA64DFR1_EL1, &host_isar.id_aa64dfr1 },
{ HV_SYS_REG_ID_AA64ISAR0_EL1, &host_isar.idregs[ID_AA64ISAR0_EL1_IDX] },
{ HV_SYS_REG_ID_AA64ISAR1_EL1, &host_isar.id_aa64isar1 },
{ HV_SYS_REG_ID_AA64ISAR1_EL1, &host_isar.idregs[ID_AA64ISAR1_EL1_IDX] },
/* Add ID_AA64ISAR2_EL1 here when HVF supports it */
{ HV_SYS_REG_ID_AA64MMFR0_EL1, &host_isar.id_aa64mmfr0 },
{ HV_SYS_REG_ID_AA64MMFR1_EL1, &host_isar.id_aa64mmfr1 },

6
target/arm/kvm.c
View file

@ -323,10 +323,8 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64dfr1,
ARM64_SYS_REG(3, 0, 0, 5, 1));
err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR0_EL1_IDX);
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar1,
ARM64_SYS_REG(3, 0, 0, 6, 1));
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar2,
ARM64_SYS_REG(3, 0, 0, 6, 2));
err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR1_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR2_EL1_IDX);
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr0,
ARM64_SYS_REG(3, 0, 0, 7, 0));
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr1,

24
target/arm/tcg/cpu64.c
View file

@ -68,7 +68,7 @@ static void aarch64_a35_initfn(Object *obj)
cpu->isar.id_aa64dfr0 = 0x10305106;
cpu->isar.id_aa64dfr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64isar1 = 0;
SET_IDREG(isar, ID_AA64ISAR1, 0);
cpu->isar.id_aa64mmfr0 = 0x00101122;
cpu->isar.id_aa64mmfr1 = 0;
cpu->clidr = 0x0a200023;
@ -224,7 +224,7 @@ static void aarch64_a55_initfn(Object *obj)
cpu->dcz_blocksize = 4; /* 64 bytes */
cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
@ -357,7 +357,7 @@ static void aarch64_a76_initfn(Object *obj)
cpu->dcz_blocksize = 4;
cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
@ -437,7 +437,7 @@ static void aarch64_a64fx_initfn(Object *obj)
cpu->isar.id_aa64mmfr1 = 0x0000000011212100;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011;
SET_IDREG(isar, ID_AA64ISAR0, 0x0000000010211120);
cpu->isar.id_aa64isar1 = 0x0000000000010001;
SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000010001);
SET_IDREG(isar, ID_AA64ZFR0, 0x0000000000000000);
cpu->clidr = 0x0000000080000023;
/* 64KB L1 dcache */
@ -605,7 +605,7 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
cpu->dcz_blocksize = 4;
cpu->isar.id_aa64dfr0 = 0x0000000110305408ull;
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
@ -684,7 +684,7 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
cpu->isar.id_aa64dfr0 = 0x000001f210305519ull;
cpu->isar.id_aa64dfr1 = 0x00000000;
SET_IDREG(isar, ID_AA64ISAR0, 0x1011111110212120ull); /* with FEAT_RNG */
cpu->isar.id_aa64isar1 = 0x0011100001211032ull;
SET_IDREG(isar, ID_AA64ISAR1, 0x0011000001211032ull);
cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0220011102101011ull;
@ -933,7 +933,7 @@ static void aarch64_a710_initfn(Object *obj)
cpu->id_aa64afr0 = 0;
cpu->id_aa64afr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x0221111110212120ull); /* with Crypto */
cpu->isar.id_aa64isar1 = 0x0010111101211052ull;
SET_IDREG(isar, ID_AA64ISAR1, 0x0010111101211052ull);
cpu->isar.id_aa64mmfr0 = 0x0000022200101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x1221011110101011ull;
@ -1035,7 +1035,7 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
cpu->id_aa64afr0 = 0;
cpu->id_aa64afr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x1221111110212120ull); /* with Crypto and FEAT_RNG */
cpu->isar.id_aa64isar1 = 0x0011111101211052ull;
SET_IDREG(isar, ID_AA64ISAR1, 0x0011111101211052ull);
cpu->isar.id_aa64mmfr0 = 0x0000022200101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x1221011112101011ull;
@ -1160,7 +1160,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ISAR0, RNDR, 1); /* FEAT_RNG */
SET_IDREG(isar, ID_AA64ISAR0, t);
t = cpu->isar.id_aa64isar1;
t = GET_IDREG(isar, ID_AA64ISAR1);
t = FIELD_DP64(t, ID_AA64ISAR1, DPB, 2); /* FEAT_DPB2 */
t = FIELD_DP64(t, ID_AA64ISAR1, APA, PauthFeat_FPACCOMBINED);
t = FIELD_DP64(t, ID_AA64ISAR1, API, 1);
@ -1174,14 +1174,14 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ISAR1, DGH, 1); /* FEAT_DGH */
t = FIELD_DP64(t, ID_AA64ISAR1, I8MM, 1); /* FEAT_I8MM */
t = FIELD_DP64(t, ID_AA64ISAR1, XS, 1); /* FEAT_XS */
cpu->isar.id_aa64isar1 = t;
SET_IDREG(isar, ID_AA64ISAR1, t);
t = cpu->isar.id_aa64isar2;
t = GET_IDREG(isar, ID_AA64ISAR2);
t = FIELD_DP64(t, ID_AA64ISAR2, RPRES, 1); /* FEAT_RPRES */
t = FIELD_DP64(t, ID_AA64ISAR2, MOPS, 1); /* FEAT_MOPS */
t = FIELD_DP64(t, ID_AA64ISAR2, BC, 1); /* FEAT_HBC */
t = FIELD_DP64(t, ID_AA64ISAR2, WFXT, 2); /* FEAT_WFxT */
cpu->isar.id_aa64isar2 = t;
SET_IDREG(isar, ID_AA64ISAR2, t);
t = cpu->isar.id_aa64pfr0;
t = FIELD_DP64(t, ID_AA64PFR0, FP, 1); /* FEAT_FP16 */