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target/arm: Move id_aa64mmfr* to ARMISARegisters

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At the same time, define the fields for these registers,
and use those defines in arm_pamax().

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181203203839.757-2-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: fixed up typo (s/achf/ahcf/) belatedly spotted by RTH]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-12-13 14:40:56 +00:00
parent f6ef171db8
commit 3dc91ddbc6
5 changed files with 35 additions and 8 deletions
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26
target/arm/cpu.h
View file

@ -818,6 +818,8 @@ struct ARMCPU {
uint64_t id_aa64isar1;
uint64_t id_aa64pfr0;
uint64_t id_aa64pfr1;
uint64_t id_aa64mmfr0;
uint64_t id_aa64mmfr1;
} isar;
uint32_t midr;
uint32_t revidr;
@ -839,8 +841,6 @@ struct ARMCPU {
uint64_t id_aa64dfr1;
uint64_t id_aa64afr0;
uint64_t id_aa64afr1;
uint64_t id_aa64mmfr0;
uint64_t id_aa64mmfr1;
uint32_t dbgdidr;
uint32_t clidr;
uint64_t mp_affinity; /* MP ID without feature bits */
@ -1557,6 +1557,28 @@ FIELD(ID_AA64PFR0, GIC, 24, 4)
FIELD(ID_AA64PFR0, RAS, 28, 4)
FIELD(ID_AA64PFR0, SVE, 32, 4)
FIELD(ID_AA64MMFR0, PARANGE, 0, 4)
FIELD(ID_AA64MMFR0, ASIDBITS, 4, 4)
FIELD(ID_AA64MMFR0, BIGEND, 8, 4)
FIELD(ID_AA64MMFR0, SNSMEM, 12, 4)
FIELD(ID_AA64MMFR0, BIGENDEL0, 16, 4)
FIELD(ID_AA64MMFR0, TGRAN16, 20, 4)
FIELD(ID_AA64MMFR0, TGRAN64, 24, 4)
FIELD(ID_AA64MMFR0, TGRAN4, 28, 4)
FIELD(ID_AA64MMFR0, TGRAN16_2, 32, 4)
FIELD(ID_AA64MMFR0, TGRAN64_2, 36, 4)
FIELD(ID_AA64MMFR0, TGRAN4_2, 40, 4)
FIELD(ID_AA64MMFR0, EXS, 44, 4)
FIELD(ID_AA64MMFR1, HAFDBS, 0, 4)
FIELD(ID_AA64MMFR1, VMIDBITS, 4, 4)
FIELD(ID_AA64MMFR1, VH, 8, 4)
FIELD(ID_AA64MMFR1, HPDS, 12, 4)
FIELD(ID_AA64MMFR1, LO, 16, 4)
FIELD(ID_AA64MMFR1, PAN, 20, 4)
FIELD(ID_AA64MMFR1, SPECSEI, 24, 4)
FIELD(ID_AA64MMFR1, XNX, 28, 4)
QEMU_BUILD_BUG_ON(ARRAY_SIZE(((ARMCPU *)0)->ccsidr) <= R_V7M_CSSELR_INDEX_MASK);
/* If adding a feature bit which corresponds to a Linux ELF

6
target/arm/cpu64.c
View file

@ -141,7 +141,7 @@ static void aarch64_a57_initfn(Object *obj)
cpu->pmceid0 = 0x00000000;
cpu->pmceid1 = 0x00000000;
cpu->isar.id_aa64isar0 = 0x00011120;
cpu->id_aa64mmfr0 = 0x00001124;
cpu->isar.id_aa64mmfr0 = 0x00001124;
cpu->dbgdidr = 0x3516d000;
cpu->clidr = 0x0a200023;
cpu->ccsidr[0] = 0x701fe00a; /* 32KB L1 dcache */
@ -195,7 +195,7 @@ static void aarch64_a53_initfn(Object *obj)
cpu->isar.id_aa64pfr0 = 0x00002222;
cpu->id_aa64dfr0 = 0x10305106;
cpu->isar.id_aa64isar0 = 0x00011120;
cpu->id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */
cpu->isar.id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */
cpu->dbgdidr = 0x3516d000;
cpu->clidr = 0x0a200023;
cpu->ccsidr[0] = 0x700fe01a; /* 32KB L1 dcache */
@ -249,7 +249,7 @@ static void aarch64_a72_initfn(Object *obj)
cpu->pmceid0 = 0x00000000;
cpu->pmceid1 = 0x00000000;
cpu->isar.id_aa64isar0 = 0x00011120;
cpu->id_aa64mmfr0 = 0x00001124;
cpu->isar.id_aa64mmfr0 = 0x00001124;
cpu->dbgdidr = 0x3516d000;
cpu->clidr = 0x0a200023;
cpu->ccsidr[0] = 0x701fe00a; /* 32KB L1 dcache */

4
target/arm/helper.c
View file

@ -5207,11 +5207,11 @@ void register_cp_regs_for_features(ARMCPU *cpu)
{ .name = "ID_AA64MMFR0_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 0,
.access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_aa64mmfr0 },
.resetvalue = cpu->isar.id_aa64mmfr0 },
{ .name = "ID_AA64MMFR1_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 1,
.access = PL1_R, .type = ARM_CP_CONST,
.resetvalue = cpu->id_aa64mmfr1 },
.resetvalue = cpu->isar.id_aa64mmfr1 },
{ .name = "ID_AA64MMFR2_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 2,
.access = PL1_R, .type = ARM_CP_CONST,

3
target/arm/internals.h
View file

@ -229,7 +229,8 @@ static inline unsigned int arm_pamax(ARMCPU *cpu)
[4] = 44,
[5] = 48,
};
unsigned int parange = extract32(cpu->id_aa64mmfr0, 0, 4);
unsigned int parange =
FIELD_EX64(cpu->isar.id_aa64mmfr0, ID_AA64MMFR0, PARANGE);
/* id_aa64mmfr0 is a read-only register so values outside of the
* supported mappings can be considered an implementation error. */

4
target/arm/kvm64.c
View file

@ -538,6 +538,10 @@ bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
ARM64_SYS_REG(3, 0, 0, 6, 0));
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_aa64mmfr0,
ARM64_SYS_REG(3, 0, 0, 7, 0));
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr1,
ARM64_SYS_REG(3, 0, 0, 7, 1));
/*
* Note that if AArch32 support is not present in the host,