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[PATCH 21/28] target/arm: Move aa32_va_parameters to ptw.c
From: |
Richard Henderson |
Subject: |
[PATCH 21/28] target/arm: Move aa32_va_parameters to ptw.c |
Date: |
Fri, 3 Jun 2022 21:06:00 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/ptw.h | 3 ---
target/arm/helper.c | 64 ---------------------------------------------
target/arm/ptw.c | 64 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 64 insertions(+), 67 deletions(-)
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 */
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 5dfe1f9cc0..02e65c9e98 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -10735,70 +10735,6 @@ 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
--
2.34.1
- [PATCH 06/28] target/arm: Move get_phys_addr_pmsav7_default to ptw.c, (continued)
- [PATCH 06/28] target/arm: Move get_phys_addr_pmsav7_default to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 08/28] target/arm: Move get_phys_addr_pmsav8 to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 09/28] target/arm: Move pmsav8_mpu_lookup to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 12/28] target/arm: Move m_is_{ppb,system}_region to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 16/28] target/arm: Move arm_{ldl,ldq}_ptw to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 17/28] target/arm: Move {arm_s1_, }regime_using_lpae_format to tlb_helper.c, Richard Henderson, 2022/06/04
- [PATCH 18/28] target/arm: Move arm_pamax, pamax_map into ptw.c, Richard Henderson, 2022/06/04
- [PATCH 20/28] target/arm: Move check_s2_mmu_setup to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 15/28] target/arm: Move get_phys_addr_lpae to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 19/28] target/arm: Move get_S1prot, get_S2prot to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 21/28] target/arm: Move aa32_va_parameters to ptw.c,
Richard Henderson <=
- [PATCH 22/28] target/arm: Move ap_to_tw_prot etc to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 23/28] target/arm: Move regime_is_user to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 24/28] target/arm: Move regime_ttbr to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 25/28] target/arm: Move regime_translation_disabled to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 26/28] target/arm: Move arm_cpu_get_phys_page_attrs_debug to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 27/28] target/arm: Move stage_1_mmu_idx, arm_stage1_mmu_idx to ptw.c, Richard Henderson, 2022/06/04
- [PATCH 28/28] target/arm: Pass CPUARMState to arm_ld[lq]_ptw, Richard Henderson, 2022/06/04
- Re: [PATCH 00/28] target/arm: Split out ptw.c from helper.c, Peter Maydell, 2022/06/07