summaryrefslogtreecommitdiffstats
path: root/qemu/target-ppc/mmu-hash64.h
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/target-ppc/mmu-hash64.h')
-rw-r--r--qemu/target-ppc/mmu-hash64.h122
1 files changed, 122 insertions, 0 deletions
diff --git a/qemu/target-ppc/mmu-hash64.h b/qemu/target-ppc/mmu-hash64.h
new file mode 100644
index 000000000..291750f3e
--- /dev/null
+++ b/qemu/target-ppc/mmu-hash64.h
@@ -0,0 +1,122 @@
+#if !defined (__MMU_HASH64_H__)
+#define __MMU_HASH64_H__
+
+#ifndef CONFIG_USER_ONLY
+
+#ifdef TARGET_PPC64
+void dump_slb(FILE *f, fprintf_function cpu_fprintf, CPUPPCState *env);
+int ppc_store_slb (CPUPPCState *env, target_ulong rb, target_ulong rs);
+hwaddr ppc_hash64_get_phys_page_debug(CPUPPCState *env, target_ulong addr);
+int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, target_ulong address, int rw,
+ int mmu_idx);
+void ppc_hash64_store_hpte(CPUPPCState *env, target_ulong index,
+ target_ulong pte0, target_ulong pte1);
+#endif
+
+/*
+ * SLB definitions
+ */
+
+/* Bits in the SLB ESID word */
+#define SLB_ESID_ESID 0xFFFFFFFFF0000000ULL
+#define SLB_ESID_V 0x0000000008000000ULL /* valid */
+
+/* Bits in the SLB VSID word */
+#define SLB_VSID_SHIFT 12
+#define SLB_VSID_SHIFT_1T 24
+#define SLB_VSID_SSIZE_SHIFT 62
+#define SLB_VSID_B 0xc000000000000000ULL
+#define SLB_VSID_B_256M 0x0000000000000000ULL
+#define SLB_VSID_B_1T 0x4000000000000000ULL
+#define SLB_VSID_VSID 0x3FFFFFFFFFFFF000ULL
+#define SLB_VSID_PTEM (SLB_VSID_B | SLB_VSID_VSID)
+#define SLB_VSID_KS 0x0000000000000800ULL
+#define SLB_VSID_KP 0x0000000000000400ULL
+#define SLB_VSID_N 0x0000000000000200ULL /* no-execute */
+#define SLB_VSID_L 0x0000000000000100ULL
+#define SLB_VSID_C 0x0000000000000080ULL /* class */
+#define SLB_VSID_LP 0x0000000000000030ULL
+#define SLB_VSID_ATTR 0x0000000000000FFFULL
+#define SLB_VSID_LLP_MASK (SLB_VSID_L | SLB_VSID_LP)
+#define SLB_VSID_4K 0x0000000000000000ULL
+#define SLB_VSID_64K 0x0000000000000110ULL
+
+/*
+ * Hash page table definitions
+ */
+
+#define HPTES_PER_GROUP 8
+#define HASH_PTE_SIZE_64 16
+#define HASH_PTEG_SIZE_64 (HASH_PTE_SIZE_64 * HPTES_PER_GROUP)
+
+#define HPTE64_V_SSIZE_SHIFT 62
+#define HPTE64_V_AVPN_SHIFT 7
+#define HPTE64_V_AVPN 0x3fffffffffffff80ULL
+#define HPTE64_V_AVPN_VAL(x) (((x) & HPTE64_V_AVPN) >> HPTE64_V_AVPN_SHIFT)
+#define HPTE64_V_COMPARE(x, y) (!(((x) ^ (y)) & 0xffffffffffffff80ULL))
+#define HPTE64_V_LARGE 0x0000000000000004ULL
+#define HPTE64_V_SECONDARY 0x0000000000000002ULL
+#define HPTE64_V_VALID 0x0000000000000001ULL
+
+#define HPTE64_R_PP0 0x8000000000000000ULL
+#define HPTE64_R_TS 0x4000000000000000ULL
+#define HPTE64_R_KEY_HI 0x3000000000000000ULL
+#define HPTE64_R_RPN_SHIFT 12
+#define HPTE64_R_RPN 0x0ffffffffffff000ULL
+#define HPTE64_R_FLAGS 0x00000000000003ffULL
+#define HPTE64_R_PP 0x0000000000000003ULL
+#define HPTE64_R_N 0x0000000000000004ULL
+#define HPTE64_R_G 0x0000000000000008ULL
+#define HPTE64_R_M 0x0000000000000010ULL
+#define HPTE64_R_I 0x0000000000000020ULL
+#define HPTE64_R_W 0x0000000000000040ULL
+#define HPTE64_R_WIMG 0x0000000000000078ULL
+#define HPTE64_R_C 0x0000000000000080ULL
+#define HPTE64_R_R 0x0000000000000100ULL
+#define HPTE64_R_KEY_LO 0x0000000000000e00ULL
+#define HPTE64_R_KEY(x) ((((x) & HPTE64_R_KEY_HI) >> 60) | \
+ (((x) & HPTE64_R_KEY_LO) >> 9))
+
+#define HPTE64_V_1TB_SEG 0x4000000000000000ULL
+#define HPTE64_V_VRMA_MASK 0x4001ffffff000000ULL
+
+
+extern bool kvmppc_kern_htab;
+uint64_t ppc_hash64_start_access(PowerPCCPU *cpu, target_ulong pte_index);
+void ppc_hash64_stop_access(uint64_t token);
+
+static inline target_ulong ppc_hash64_load_hpte0(CPUPPCState *env,
+ uint64_t token, int index)
+{
+ CPUState *cs = CPU(ppc_env_get_cpu(env));
+ uint64_t addr;
+
+ addr = token + (index * HASH_PTE_SIZE_64);
+ if (env->external_htab) {
+ return ldq_p((const void *)(uintptr_t)addr);
+ } else {
+ return ldq_phys(cs->as, addr);
+ }
+}
+
+static inline target_ulong ppc_hash64_load_hpte1(CPUPPCState *env,
+ uint64_t token, int index)
+{
+ CPUState *cs = CPU(ppc_env_get_cpu(env));
+ uint64_t addr;
+
+ addr = token + (index * HASH_PTE_SIZE_64) + HASH_PTE_SIZE_64/2;
+ if (env->external_htab) {
+ return ldq_p((const void *)(uintptr_t)addr);
+ } else {
+ return ldq_phys(cs->as, addr);
+ }
+}
+
+typedef struct {
+ uint64_t pte0, pte1;
+} ppc_hash_pte64_t;
+
+#endif /* CONFIG_USER_ONLY */
+
+#endif /* !defined (__MMU_HASH64_H__) */