aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRichard Henderson <richard.henderson@linaro.org>2022-06-08 19:38:53 +0100
committerPeter Maydell <peter.maydell@linaro.org>2022-06-08 19:38:53 +0100
commit2f0ec92e9488e1ac6c7293fe37a5f1c0e1737b36 (patch)
tree96632c52ef4aa4433db5c6fb5f2cd3bdd89dfa89
parentc5168785d208527c45f455619abe2539182a9fff (diff)
target/arm: Move aa32_va_parameters to ptw.c
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220604040607.269301-22-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/helper.c64
-rw-r--r--target/arm/ptw.c64
-rw-r--r--target/arm/ptw.h3
3 files changed, 64 insertions, 67 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 2526f4c6c4..f61f1da61e 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -10771,70 +10771,6 @@ ARMVAParameters aa64_va_parameters(CPUARMState *env, uint64_t va,
}
#ifndef CONFIG_USER_ONLY
-ARMVAParameters aa32_va_parameters(CPUARMState *env, uint32_t va,
- ARMMMUIdx mmu_idx)
-{
- uint64_t tcr = regime_tcr(env, mmu_idx)->raw_tcr;
- uint32_t el = regime_el(env, mmu_idx);
- int select, tsz;
- bool epd, hpd;
-
- assert(mmu_idx != ARMMMUIdx_Stage2_S);
-
- if (mmu_idx == ARMMMUIdx_Stage2) {
- /* VTCR */
- bool sext = extract32(tcr, 4, 1);
- bool sign = extract32(tcr, 3, 1);
-
- /*
- * If the sign-extend bit is not the same as t0sz[3], the result
- * is unpredictable. Flag this as a guest error.
- */
- if (sign != sext) {
- qemu_log_mask(LOG_GUEST_ERROR,
- "AArch32: VTCR.S / VTCR.T0SZ[3] mismatch\n");
- }
- tsz = sextract32(tcr, 0, 4) + 8;
- select = 0;
- hpd = false;
- epd = false;
- } else if (el == 2) {
- /* HTCR */
- tsz = extract32(tcr, 0, 3);
- select = 0;
- hpd = extract64(tcr, 24, 1);
- epd = false;
- } else {
- int t0sz = extract32(tcr, 0, 3);
- int t1sz = extract32(tcr, 16, 3);
-
- if (t1sz == 0) {
- select = va > (0xffffffffu >> t0sz);
- } else {
- /* Note that we will detect errors later. */
- select = va >= ~(0xffffffffu >> t1sz);
- }
- if (!select) {
- tsz = t0sz;
- epd = extract32(tcr, 7, 1);
- hpd = extract64(tcr, 41, 1);
- } else {
- tsz = t1sz;
- epd = extract32(tcr, 23, 1);
- hpd = extract64(tcr, 42, 1);
- }
- /* For aarch32, hpd0 is not enabled without t2e as well. */
- hpd &= extract32(tcr, 6, 1);
- }
-
- return (ARMVAParameters) {
- .tsz = tsz,
- .select = select,
- .epd = epd,
- .hpd = hpd,
- };
-}
-
hwaddr arm_cpu_get_phys_page_attrs_debug(CPUState *cs, vaddr addr,
MemTxAttrs *attrs)
{
diff --git a/target/arm/ptw.c b/target/arm/ptw.c
index 525272e99a..427813ea56 100644
--- a/target/arm/ptw.c
+++ b/target/arm/ptw.c
@@ -615,6 +615,70 @@ static int get_S1prot(CPUARMState *env, ARMMMUIdx mmu_idx, bool is_aa64,
return prot_rw | PAGE_EXEC;
}
+static ARMVAParameters aa32_va_parameters(CPUARMState *env, uint32_t va,
+ ARMMMUIdx mmu_idx)
+{
+ uint64_t tcr = regime_tcr(env, mmu_idx)->raw_tcr;
+ uint32_t el = regime_el(env, mmu_idx);
+ int select, tsz;
+ bool epd, hpd;
+
+ assert(mmu_idx != ARMMMUIdx_Stage2_S);
+
+ if (mmu_idx == ARMMMUIdx_Stage2) {
+ /* VTCR */
+ bool sext = extract32(tcr, 4, 1);
+ bool sign = extract32(tcr, 3, 1);
+
+ /*
+ * If the sign-extend bit is not the same as t0sz[3], the result
+ * is unpredictable. Flag this as a guest error.
+ */
+ if (sign != sext) {
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "AArch32: VTCR.S / VTCR.T0SZ[3] mismatch\n");
+ }
+ tsz = sextract32(tcr, 0, 4) + 8;
+ select = 0;
+ hpd = false;
+ epd = false;
+ } else if (el == 2) {
+ /* HTCR */
+ tsz = extract32(tcr, 0, 3);
+ select = 0;
+ hpd = extract64(tcr, 24, 1);
+ epd = false;
+ } else {
+ int t0sz = extract32(tcr, 0, 3);
+ int t1sz = extract32(tcr, 16, 3);
+
+ if (t1sz == 0) {
+ select = va > (0xffffffffu >> t0sz);
+ } else {
+ /* Note that we will detect errors later. */
+ select = va >= ~(0xffffffffu >> t1sz);
+ }
+ if (!select) {
+ tsz = t0sz;
+ epd = extract32(tcr, 7, 1);
+ hpd = extract64(tcr, 41, 1);
+ } else {
+ tsz = t1sz;
+ epd = extract32(tcr, 23, 1);
+ hpd = extract64(tcr, 42, 1);
+ }
+ /* For aarch32, hpd0 is not enabled without t2e as well. */
+ hpd &= extract32(tcr, 6, 1);
+ }
+
+ return (ARMVAParameters) {
+ .tsz = tsz,
+ .select = select,
+ .epd = epd,
+ .hpd = hpd,
+ };
+}
+
/*
* check_s2_mmu_setup
* @cpu: ARMCPU
diff --git a/target/arm/ptw.h b/target/arm/ptw.h
index a71161b01b..9314fb4d23 100644
--- a/target/arm/ptw.h
+++ b/target/arm/ptw.h
@@ -25,8 +25,5 @@ simple_ap_to_rw_prot(CPUARMState *env, ARMMMUIdx mmu_idx, int ap)
return simple_ap_to_rw_prot_is_user(ap, regime_is_user(env, mmu_idx));
}
-ARMVAParameters aa32_va_parameters(CPUARMState *env, uint32_t va,
- ARMMMUIdx mmu_idx);
-
#endif /* !CONFIG_USER_ONLY */
#endif /* TARGET_ARM_PTW_H */