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[Qemu-devel] [PATCH-for-4.2 v1 5/9] s390x/mmu: Implement access-exceptio
From: |
David Hildenbrand |
Subject: |
[Qemu-devel] [PATCH-for-4.2 v1 5/9] s390x/mmu: Implement access-exception-fetch/store-indication facility |
Date: |
Mon, 5 Aug 2019 17:29:43 +0200 |
We always have to indicate whether it is a fetch or a store for all access
exceptions. This is only missing for LAP exceptions.
Signed-off-by: David Hildenbrand <address@hidden>
---
target/s390x/mmu_helper.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c
index 5c9c7d385d..f3e988e4fd 100644
--- a/target/s390x/mmu_helper.c
+++ b/target/s390x/mmu_helper.c
@@ -333,7 +333,7 @@ int mmu_translate(CPUS390XState *env, target_ulong vaddr,
int rw, uint64_t asc,
*flags |= PAGE_WRITE_INV;
if (is_low_address(vaddr) && rw == MMU_DATA_STORE) {
if (exc) {
- trigger_access_exception(env, PGM_PROTECTION, ILEN_AUTO, 0);
+ trigger_access_exception(env, PGM_PROTECTION, ilen, tec);
}
return -EACCES;
}
@@ -511,6 +511,8 @@ void s390_cpu_virt_mem_handle_exc(S390CPU *cpu, uintptr_t
ra)
int mmu_translate_real(CPUS390XState *env, target_ulong raddr, int rw,
target_ulong *addr, int *flags)
{
+ uint64_t tec = (raddr & TARGET_PAGE_MASK) |
+ (rw == MMU_DATA_STORE ? FS_WRITE : FS_READ);
const bool lowprot_enabled = env->cregs[0] & CR0_LOWPROT;
*flags = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
@@ -518,7 +520,7 @@ int mmu_translate_real(CPUS390XState *env, target_ulong
raddr, int rw,
/* see comment in mmu_translate() how this works */
*flags |= PAGE_WRITE_INV;
if (is_low_address(raddr) && rw == MMU_DATA_STORE) {
- trigger_access_exception(env, PGM_PROTECTION, ILEN_AUTO, 0);
+ trigger_access_exception(env, PGM_PROTECTION, ILEN_AUTO, tec);
return -EACCES;
}
}
--
2.21.0
- Re: [Qemu-devel] [PATCH-for-4.2 v1 1/9] s390x/mmu: Better ASC selection in s390_cpu_get_phys_page_debug(), (continued)
- Re: [Qemu-devel] [PATCH-for-4.2 v1 1/9] s390x/mmu: Better ASC selection in s390_cpu_get_phys_page_debug(), Thomas Huth, 2019/08/12
- Re: [Qemu-devel] [PATCH-for-4.2 v1 1/9] s390x/mmu: Better ASC selection in s390_cpu_get_phys_page_debug(), David Hildenbrand, 2019/08/12
- Re: [Qemu-devel] [PATCH-for-4.2 v1 1/9] s390x/mmu: Better ASC selection in s390_cpu_get_phys_page_debug(), Cornelia Huck, 2019/08/12
- Re: [Qemu-devel] [PATCH-for-4.2 v1 1/9] s390x/mmu: Better ASC selection in s390_cpu_get_phys_page_debug(), David Hildenbrand, 2019/08/12
- Re: [Qemu-devel] [PATCH-for-4.2 v1 1/9] s390x/mmu: Better ASC selection in s390_cpu_get_phys_page_debug(), Cornelia Huck, 2019/08/12
- Re: [Qemu-devel] [PATCH-for-4.2 v1 1/9] s390x/mmu: Better ASC selection in s390_cpu_get_phys_page_debug(), David Hildenbrand, 2019/08/12
[Qemu-devel] [PATCH-for-4.2 v1 4/9] s390x/mmu: Add EDAT2 translation support, David Hildenbrand, 2019/08/05
[Qemu-devel] [PATCH-for-4.2 v1 2/9] s390x/tcg: Rework MMU selection for instruction fetches, David Hildenbrand, 2019/08/05
[Qemu-devel] [PATCH-for-4.2 v1 5/9] s390x/mmu: Implement access-exception-fetch/store-indication facility,
David Hildenbrand <=
[Qemu-devel] [PATCH-for-4.2 v1 3/9] s390x/mmu: DAT translation rewrite, David Hildenbrand, 2019/08/05
Re: [Qemu-devel] [qemu-s390x] [PATCH-for-4.2 v1 3/9] s390x/mmu: DAT translation rewrite, Thomas Huth, 2019/08/19