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authorNicholas Piggin <npiggin@gmail.com>2023-06-20 23:10:42 +1000
committerCédric Le Goater <clg@kaod.org>2023-06-25 22:41:30 +0200
commit74574c3845a046174993092cdc3c03f481dc2cf3 (patch)
tree5739db56995edff63e74c5f197a02ca36d089027 /target/ppc/mmu-radix64.c
parent888050cf519eb5995424cf415f4f8f269de96824 (diff)
target/ppc: Change partition-scope translate interface
Rather than always performing partition scope page table translation with access type of 0 (MMU_DATA_LOAD), pass through the processor access type which first initiated the translation sequence. Process- scoped page table loads are then set to MMU_DATA_LOAD access type in the xlate function. This will allow more information to be passed to the exception handler in the next patch. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'target/ppc/mmu-radix64.c')
-rw-r--r--target/ppc/mmu-radix64.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/target/ppc/mmu-radix64.c b/target/ppc/mmu-radix64.c
index 031efda0df..1fc1ba3ecf 100644
--- a/target/ppc/mmu-radix64.c
+++ b/target/ppc/mmu-radix64.c
@@ -380,6 +380,14 @@ static int ppc_radix64_partition_scoped_xlate(PowerPCCPU *cpu,
hwaddr pte_addr;
uint64_t pte;
+ if (pde_addr) {
+ /*
+ * Translation of process-scoped tables/directories is performed as
+ * a read-access.
+ */
+ access_type = MMU_DATA_LOAD;
+ }
+
qemu_log_mask(CPU_LOG_MMU, "%s for %s @0x%"VADDR_PRIx
" mmu_idx %u 0x%"HWADDR_PRIx"\n",
__func__, access_str(access_type),
@@ -477,10 +485,10 @@ static int ppc_radix64_process_scoped_xlate(PowerPCCPU *cpu,
* is only used to translate the effective addresses of the
* process table entries.
*/
- ret = ppc_radix64_partition_scoped_xlate(cpu, 0, eaddr, prtbe_addr,
- pate, &h_raddr, &h_prot,
- &h_page_size, true,
- /* mmu_idx is 5 because we're translating from hypervisor scope */
+ /* mmu_idx is 5 because we're translating from hypervisor scope */
+ ret = ppc_radix64_partition_scoped_xlate(cpu, access_type, eaddr,
+ prtbe_addr, pate, &h_raddr,
+ &h_prot, &h_page_size, true,
5, guest_visible);
if (ret) {
return ret;
@@ -519,11 +527,11 @@ static int ppc_radix64_process_scoped_xlate(PowerPCCPU *cpu,
* translation
*/
do {
- ret = ppc_radix64_partition_scoped_xlate(cpu, 0, eaddr, pte_addr,
- pate, &h_raddr, &h_prot,
- &h_page_size, true,
/* mmu_idx is 5 because we're translating from hypervisor scope */
- 5, guest_visible);
+ ret = ppc_radix64_partition_scoped_xlate(cpu, access_type, eaddr,
+ pte_addr, pate, &h_raddr,
+ &h_prot, &h_page_size,
+ true, 5, guest_visible);
if (ret) {
return ret;
}