From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56797) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eMJB9-00019n-IV for qemu-devel@nongnu.org; Tue, 05 Dec 2017 14:46:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eMJB8-0002PC-JX for qemu-devel@nongnu.org; Tue, 05 Dec 2017 14:46:55 -0500 From: Peter Maydell Date: Tue, 5 Dec 2017 19:46:23 +0000 Message-Id: <1512503192-2239-4-git-send-email-peter.maydell@linaro.org> In-Reply-To: <1512503192-2239-1-git-send-email-peter.maydell@linaro.org> References: <1512503192-2239-1-git-send-email-peter.maydell@linaro.org> Subject: [Qemu-devel] [PATCH 03/12] target/arm: Convert get_phys_addr_v5() to not return FSC values List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: patches@linaro.org, "Edgar E . Iglesias" , Stefano Stabellini Make get_phys_addr_v5() return a fault type in the ARMMMUFaultInfo structure, which we convert to the FSC at the callsite. Signed-off-by: Peter Maydell --- target/arm/helper.c | 33 ++++++++++++++++++--------------- 1 file changed, 18 insertions(+), 15 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index 30616d9..6aed681 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -8344,11 +8344,11 @@ static uint64_t arm_ldq_ptw(CPUState *cs, hwaddr addr, bool is_secure, static bool get_phys_addr_v5(CPUARMState *env, uint32_t address, MMUAccessType access_type, ARMMMUIdx mmu_idx, hwaddr *phys_ptr, int *prot, - target_ulong *page_size, uint32_t *fsr, + target_ulong *page_size, ARMMMUFaultInfo *fi) { CPUState *cs = CPU(arm_env_get_cpu(env)); - int code; + int level = 1; uint32_t table; uint32_t desc; int type; @@ -8362,7 +8362,7 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address, /* Lookup l1 descriptor. */ if (!get_level1_table_address(env, mmu_idx, &table, address)) { /* Section translation fault if page walk is disabled by PD0 or PD1 */ - code = 5; + fi->type = ARMFault_Translation; goto do_fault; } desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx), @@ -8377,21 +8377,20 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address, domain_prot = (dacr >> (domain * 2)) & 3; if (type == 0) { /* Section translation fault. */ - code = 5; + fi->type = ARMFault_Translation; goto do_fault; } + if (type != 2) { + level = 2; + } if (domain_prot == 0 || domain_prot == 2) { - if (type == 2) - code = 9; /* Section domain fault. */ - else - code = 11; /* Page domain fault. */ + fi->type = ARMFault_Domain; goto do_fault; } if (type == 2) { /* 1Mb section. */ phys_addr = (desc & 0xfff00000) | (address & 0x000fffff); ap = (desc >> 10) & 3; - code = 13; *page_size = 1024 * 1024; } else { /* Lookup l2 entry. */ @@ -8406,7 +8405,7 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address, mmu_idx, fi); switch (desc & 3) { case 0: /* Page translation fault. */ - code = 7; + fi->type = ARMFault_Translation; goto do_fault; case 1: /* 64k page. */ phys_addr = (desc & 0xffff0000) | (address & 0xffff); @@ -8429,7 +8428,7 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address, /* UNPREDICTABLE in ARMv5; we choose to take a * page translation fault. */ - code = 7; + fi->type = ARMFault_Translation; goto do_fault; } } else { @@ -8442,18 +8441,19 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address, /* Never happens, but compiler isn't smart enough to tell. */ abort(); } - code = 15; } *prot = ap_to_rw_prot(env, mmu_idx, ap, domain_prot); *prot |= *prot ? PAGE_EXEC : 0; if (!(*prot & (1 << access_type))) { /* Access permission fault. */ + fi->type = ARMFault_Permission; goto do_fault; } *phys_ptr = phys_addr; return false; do_fault: - *fsr = code | (domain << 4); + fi->domain = domain; + fi->level = level; return true; } @@ -9863,8 +9863,11 @@ static bool get_phys_addr(CPUARMState *env, target_ulong address, return get_phys_addr_v6(env, address, access_type, mmu_idx, phys_ptr, attrs, prot, page_size, fsr, fi); } else { - return get_phys_addr_v5(env, address, access_type, mmu_idx, phys_ptr, - prot, page_size, fsr, fi); + bool ret = get_phys_addr_v5(env, address, access_type, mmu_idx, + phys_ptr, prot, page_size, fi); + + *fsr = arm_fi_to_sfsc(fi); + return ret; } } -- 2.7.4