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Diffstat (limited to 'target/arm/cpu.c')
-rw-r--r--target/arm/cpu.c44
1 files changed, 13 insertions, 31 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 2eadf4dcb8..e6016e33ce 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -293,7 +293,7 @@ static void arm_cpu_reset(CPUState *s)
env->v7m.ccr[M_REG_S] |= R_V7M_CCR_UNALIGN_TRP_MASK;
}
- if (arm_feature(env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_vfp_simd, cpu)) {
env->v7m.fpccr[M_REG_NS] = R_V7M_FPCCR_ASPEN_MASK;
env->v7m.fpccr[M_REG_S] = R_V7M_FPCCR_ASPEN_MASK |
R_V7M_FPCCR_LSPEN_MASK | R_V7M_FPCCR_S_MASK;
@@ -1011,7 +1011,7 @@ static void arm_cpu_dump_state(CPUState *cs, FILE *f, int flags)
int numvfpregs = 0;
if (cpu_isar_feature(aa32_simd_r32, cpu)) {
numvfpregs = 32;
- } else if (arm_feature(env, ARM_FEATURE_VFP)) {
+ } else if (cpu_isar_feature(aa32_vfp_simd, cpu)) {
numvfpregs = 16;
}
for (i = 0; i < numvfpregs; i++) {
@@ -1208,13 +1208,6 @@ void arm_cpu_post_init(Object *obj)
if (arm_feature(&cpu->env, ARM_FEATURE_M)) {
set_feature(&cpu->env, ARM_FEATURE_PMSA);
}
- /* Similarly for the VFP feature bits */
- if (arm_feature(&cpu->env, ARM_FEATURE_VFP4)) {
- set_feature(&cpu->env, ARM_FEATURE_VFP3);
- }
- if (arm_feature(&cpu->env, ARM_FEATURE_VFP3)) {
- set_feature(&cpu->env, ARM_FEATURE_VFP);
- }
if (arm_feature(&cpu->env, ARM_FEATURE_CBAR) ||
arm_feature(&cpu->env, ARM_FEATURE_CBAR_RO)) {
@@ -1260,7 +1253,9 @@ void arm_cpu_post_init(Object *obj)
* KVM does not currently allow us to lie to the guest about its
* ID/feature registers, so the guest always sees what the host has.
*/
- if (arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64)
+ ? cpu_isar_feature(aa64_fp_simd, cpu)
+ : cpu_isar_feature(aa32_vfp, cpu)) {
cpu->has_vfp = true;
if (!kvm_enabled()) {
qdev_property_add_static(DEVICE(obj), &arm_cpu_has_vfp_property);
@@ -1440,10 +1435,6 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
uint64_t t;
uint32_t u;
- unset_feature(env, ARM_FEATURE_VFP);
- unset_feature(env, ARM_FEATURE_VFP3);
- unset_feature(env, ARM_FEATURE_VFP4);
-
t = cpu->isar.id_aa64isar1;
t = FIELD_DP64(t, ID_AA64ISAR1, JSCVT, 0);
cpu->isar.id_aa64isar1 = t;
@@ -1510,7 +1501,6 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
u = FIELD_DP32(u, MVFR1, SIMDINT, 0);
u = FIELD_DP32(u, MVFR1, SIMDSP, 0);
u = FIELD_DP32(u, MVFR1, SIMDHP, 0);
- u = FIELD_DP32(u, MVFR1, SIMDFMAC, 0);
cpu->isar.mvfr1 = u;
u = cpu->isar.mvfr2;
@@ -1533,6 +1523,11 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
u = cpu->isar.mvfr0;
u = FIELD_DP32(u, MVFR0, SIMDREG, 0);
cpu->isar.mvfr0 = u;
+
+ /* Despite the name, this field covers both VFP and Neon */
+ u = cpu->isar.mvfr1;
+ u = FIELD_DP32(u, MVFR1, SIMDFMAC, 0);
+ cpu->isar.mvfr1 = u;
}
if (arm_feature(env, ARM_FEATURE_M) && !cpu->has_dsp) {
@@ -1636,8 +1631,9 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
* We rely on no XScale CPU having VFP so we can use the same bits in the
* TB flags field for VECSTRIDE and XSCALE_CPAR.
*/
- assert(!(arm_feature(env, ARM_FEATURE_VFP) &&
- arm_feature(env, ARM_FEATURE_XSCALE)));
+ assert(arm_feature(&cpu->env, ARM_FEATURE_AARCH64) ||
+ !cpu_isar_feature(aa32_vfp_simd, cpu) ||
+ !arm_feature(env, ARM_FEATURE_XSCALE));
if (arm_feature(env, ARM_FEATURE_V7) &&
!arm_feature(env, ARM_FEATURE_M) &&
@@ -1858,7 +1854,6 @@ static void arm926_initfn(Object *obj)
cpu->dtb_compatible = "arm,arm926";
set_feature(&cpu->env, ARM_FEATURE_V5);
- set_feature(&cpu->env, ARM_FEATURE_VFP);
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
cpu->midr = 0x41069265;
@@ -1899,7 +1894,6 @@ static void arm1026_initfn(Object *obj)
cpu->dtb_compatible = "arm,arm1026";
set_feature(&cpu->env, ARM_FEATURE_V5);
- set_feature(&cpu->env, ARM_FEATURE_VFP);
set_feature(&cpu->env, ARM_FEATURE_AUXCR);
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
set_feature(&cpu->env, ARM_FEATURE_CACHE_TEST_CLEAN);
@@ -1947,7 +1941,6 @@ static void arm1136_r2_initfn(Object *obj)
cpu->dtb_compatible = "arm,arm1136";
set_feature(&cpu->env, ARM_FEATURE_V6);
- set_feature(&cpu->env, ARM_FEATURE_VFP);
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
@@ -1979,7 +1972,6 @@ static void arm1136_initfn(Object *obj)
cpu->dtb_compatible = "arm,arm1136";
set_feature(&cpu->env, ARM_FEATURE_V6K);
set_feature(&cpu->env, ARM_FEATURE_V6);
- set_feature(&cpu->env, ARM_FEATURE_VFP);
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
set_feature(&cpu->env, ARM_FEATURE_CACHE_BLOCK_OPS);
@@ -2010,7 +2002,6 @@ static void arm1176_initfn(Object *obj)
cpu->dtb_compatible = "arm,arm1176";
set_feature(&cpu->env, ARM_FEATURE_V6K);
- set_feature(&cpu->env, ARM_FEATURE_VFP);
set_feature(&cpu->env, ARM_FEATURE_VAPA);
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
set_feature(&cpu->env, ARM_FEATURE_CACHE_DIRTY_REG);
@@ -2043,7 +2034,6 @@ static void arm11mpcore_initfn(Object *obj)
cpu->dtb_compatible = "arm,arm11mpcore";
set_feature(&cpu->env, ARM_FEATURE_V6K);
- set_feature(&cpu->env, ARM_FEATURE_VFP);
set_feature(&cpu->env, ARM_FEATURE_VAPA);
set_feature(&cpu->env, ARM_FEATURE_MPIDR);
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
@@ -2109,7 +2099,6 @@ static void cortex_m4_initfn(Object *obj)
set_feature(&cpu->env, ARM_FEATURE_M);
set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
- set_feature(&cpu->env, ARM_FEATURE_VFP4);
cpu->midr = 0x410fc240; /* r0p0 */
cpu->pmsav7_dregion = 8;
cpu->isar.mvfr0 = 0x10110021;
@@ -2140,7 +2129,6 @@ static void cortex_m7_initfn(Object *obj)
set_feature(&cpu->env, ARM_FEATURE_M);
set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
- set_feature(&cpu->env, ARM_FEATURE_VFP4);
cpu->midr = 0x411fc272; /* r1p2 */
cpu->pmsav7_dregion = 8;
cpu->isar.mvfr0 = 0x10110221;
@@ -2172,7 +2160,6 @@ static void cortex_m33_initfn(Object *obj)
set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
set_feature(&cpu->env, ARM_FEATURE_M_SECURITY);
set_feature(&cpu->env, ARM_FEATURE_THUMB_DSP);
- set_feature(&cpu->env, ARM_FEATURE_VFP4);
cpu->midr = 0x410fd213; /* r0p3 */
cpu->pmsav7_dregion = 16;
cpu->sau_sregion = 8;
@@ -2256,7 +2243,6 @@ static void cortex_r5f_initfn(Object *obj)
ARMCPU *cpu = ARM_CPU(obj);
cortex_r5_initfn(obj);
- set_feature(&cpu->env, ARM_FEATURE_VFP3);
cpu->isar.mvfr0 = 0x10110221;
cpu->isar.mvfr1 = 0x00000011;
}
@@ -2275,7 +2261,6 @@ static void cortex_a8_initfn(Object *obj)
cpu->dtb_compatible = "arm,cortex-a8";
set_feature(&cpu->env, ARM_FEATURE_V7);
- set_feature(&cpu->env, ARM_FEATURE_VFP3);
set_feature(&cpu->env, ARM_FEATURE_NEON);
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
@@ -2343,7 +2328,6 @@ static void cortex_a9_initfn(Object *obj)
cpu->dtb_compatible = "arm,cortex-a9";
set_feature(&cpu->env, ARM_FEATURE_V7);
- set_feature(&cpu->env, ARM_FEATURE_VFP3);
set_feature(&cpu->env, ARM_FEATURE_NEON);
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
set_feature(&cpu->env, ARM_FEATURE_EL3);
@@ -2408,7 +2392,6 @@ static void cortex_a7_initfn(Object *obj)
cpu->dtb_compatible = "arm,cortex-a7";
set_feature(&cpu->env, ARM_FEATURE_V7VE);
- set_feature(&cpu->env, ARM_FEATURE_VFP4);
set_feature(&cpu->env, ARM_FEATURE_NEON);
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
@@ -2454,7 +2437,6 @@ static void cortex_a15_initfn(Object *obj)
cpu->dtb_compatible = "arm,cortex-a15";
set_feature(&cpu->env, ARM_FEATURE_V7VE);
- set_feature(&cpu->env, ARM_FEATURE_VFP4);
set_feature(&cpu->env, ARM_FEATURE_NEON);
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-02-03 23:39:02 +0100