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author | Richard Henderson <richard.henderson@linaro.org> | 2022-06-08 19:38:53 +0100 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2022-06-08 19:38:53 +0100 |
commit | 2f0ec92e9488e1ac6c7293fe37a5f1c0e1737b36 (patch) | |
tree | 96632c52ef4aa4433db5c6fb5f2cd3bdd89dfa89 | |
parent | c5168785d208527c45f455619abe2539182a9fff (diff) | |
download | qemu-2f0ec92e9488e1ac6c7293fe37a5f1c0e1737b36.zip qemu-2f0ec92e9488e1ac6c7293fe37a5f1c0e1737b36.tar.gz qemu-2f0ec92e9488e1ac6c7293fe37a5f1c0e1737b36.tar.bz2 |
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.c | 64 | ||||
-rw-r--r-- | target/arm/ptw.c | 64 | ||||
-rw-r--r-- | target/arm/ptw.h | 3 |
3 files changed, 64 insertions, 67 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c index 2526f4c..f61f1da 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 525272e..427813e 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 a71161b..9314fb4 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 */ |