aboutsummaryrefslogtreecommitdiff
path: root/target
diff options
context:
space:
mode:
Diffstat (limited to 'target')
-rw-r--r--target/ppc/mmu-radix64.c45
-rw-r--r--target/ppc/mmu-radix64.h1
-rw-r--r--target/ppc/mmu_helper.c3
3 files changed, 48 insertions, 1 deletions
diff --git a/target/ppc/mmu-radix64.c b/target/ppc/mmu-radix64.c
index 1a650fd567..bbd37e3c7d 100644
--- a/target/ppc/mmu-radix64.c
+++ b/target/ppc/mmu-radix64.c
@@ -251,3 +251,48 @@ int ppc_radix64_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr, int rwx,
prot, mmu_idx, 1UL << page_size);
return 0;
}
+
+hwaddr ppc_radix64_get_phys_page_debug(PowerPCCPU *cpu, target_ulong eaddr)
+{
+ CPUState *cs = CPU(cpu);
+ CPUPPCState *env = &cpu->env;
+ PPCVirtualHypervisorClass *vhc =
+ PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp);
+ hwaddr raddr, pte_addr;
+ uint64_t lpid = 0, pid = 0, offset, size, patbe, prtbe0, pte;
+ int page_size, fault_cause = 0;
+
+ /* Handle Real Mode */
+ if (msr_dr == 0) {
+ /* In real mode top 4 effective addr bits (mostly) ignored */
+ return eaddr & 0x0FFFFFFFFFFFFFFFULL;
+ }
+
+ /* Virtual Mode Access - get the fully qualified address */
+ if (!ppc_radix64_get_fully_qualified_addr(env, eaddr, &lpid, &pid)) {
+ return -1;
+ }
+
+ /* Get Process Table */
+ patbe = vhc->get_patbe(cpu->vhyp);
+
+ /* Index Process Table by PID to Find Corresponding Process Table Entry */
+ offset = pid * sizeof(struct prtb_entry);
+ size = 1ULL << ((patbe & PATBE1_R_PRTS) + 12);
+ if (offset >= size) {
+ /* offset exceeds size of the process table */
+ return -1;
+ }
+ prtbe0 = ldq_phys(cs->as, (patbe & PATBE1_R_PRTB) + offset);
+
+ /* Walk Radix Tree from Process Table Entry to Convert EA to RA */
+ page_size = PRTBE_R_GET_RTS(prtbe0);
+ pte = ppc_radix64_walk_tree(cpu, eaddr & R_EADDR_MASK,
+ prtbe0 & PRTBE_R_RPDB, prtbe0 & PRTBE_R_RPDS,
+ &raddr, &page_size, &fault_cause, &pte_addr);
+ if (!pte) {
+ return -1;
+ }
+
+ return raddr & TARGET_PAGE_MASK;
+}
diff --git a/target/ppc/mmu-radix64.h b/target/ppc/mmu-radix64.h
index 1d5c7cfea5..0ecf063a17 100644
--- a/target/ppc/mmu-radix64.h
+++ b/target/ppc/mmu-radix64.h
@@ -46,6 +46,7 @@
int ppc_radix64_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr, int rwx,
int mmu_idx);
+hwaddr ppc_radix64_get_phys_page_debug(PowerPCCPU *cpu, target_ulong addr);
static inline int ppc_radix64_get_prot_eaa(uint64_t pte)
{
diff --git a/target/ppc/mmu_helper.c b/target/ppc/mmu_helper.c
index 65d1c8692d..b7b9088842 100644
--- a/target/ppc/mmu_helper.c
+++ b/target/ppc/mmu_helper.c
@@ -30,6 +30,7 @@
#include "helper_regs.h"
#include "qemu/error-report.h"
#include "mmu-book3s-v3.h"
+#include "mmu-radix64.h"
//#define DEBUG_MMU
//#define DEBUG_BATS
@@ -1432,7 +1433,7 @@ hwaddr ppc_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
return ppc_hash64_get_phys_page_debug(cpu, addr);
case POWERPC_MMU_VER_3_00:
if (ppc64_radix_guest(ppc_env_get_cpu(env))) {
- /* TODO - Unsupported */
+ return ppc_radix64_get_phys_page_debug(cpu, addr);
} else {
return ppc_hash64_get_phys_page_debug(cpu, addr);
}