diff options
| author | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2015-10-26 14:02:05 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-10-27 15:59:47 +0000 |
| commit | a614e69854a2e601716ee44dfe15c09b8b88f620 (patch) | |
| tree | 9401ad0f78fa2fa624f6dc7664dd6b07a3099eb3 /target-arm | |
| parent | 37785977627295162bff58b1f8777d94e20f4c5b (diff) | |
target-arm: Add S2 translation to 32bit S1 PTWs
Add support for applying S2 translation to 32bit S1
page-table walks.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1445864527-14520-13-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/helper.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index bd395169ff..eb9a00d14e 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -6246,11 +6246,19 @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx, * was being done for a CPU load/store or an address translation instruction * (but not if it was for a debug access). */ -static uint32_t arm_ldl_ptw(CPUState *cs, hwaddr addr, bool is_secure) +static uint32_t arm_ldl_ptw(CPUState *cs, hwaddr addr, bool is_secure, + ARMMMUIdx mmu_idx, uint32_t *fsr, + ARMMMUFaultInfo *fi) { + ARMCPU *cpu = ARM_CPU(cs); + CPUARMState *env = &cpu->env; MemTxAttrs attrs = {}; attrs.secure = is_secure; + addr = S1_ptw_translate(env, mmu_idx, addr, attrs, fsr, fi); + if (fi->s1ptw) { + return 0; + } return address_space_ldl(cs->as, addr, attrs, NULL); } @@ -6294,7 +6302,8 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address, code = 5; goto do_fault; } - desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx)); + desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx), + mmu_idx, fsr, fi); type = (desc & 3); domain = (desc >> 5) & 0x0f; if (regime_el(env, mmu_idx) == 1) { @@ -6330,7 +6339,8 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address, /* Fine pagetable. */ table = (desc & 0xfffff000) | ((address >> 8) & 0xffc); } - desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx)); + desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx), + mmu_idx, fsr, fi); switch (desc & 3) { case 0: /* Page translation fault. */ code = 7; @@ -6411,7 +6421,8 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address, code = 5; goto do_fault; } - desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx)); + desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx), + mmu_idx, fsr, fi); type = (desc & 3); if (type == 0 || (type == 3 && !arm_feature(env, ARM_FEATURE_PXN))) { /* Section translation fault, or attempt to use the encoding @@ -6462,7 +6473,8 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address, ns = extract32(desc, 3, 1); /* Lookup l2 entry. */ table = (desc & 0xfffffc00) | ((address >> 10) & 0x3fc); - desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx)); + desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx), + mmu_idx, fsr, fi); ap = ((desc >> 4) & 3) | ((desc >> 7) & 4); switch (desc & 3) { case 0: /* Page translation fault. */ |