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mmu-hash64.h
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mmu-hash64.h
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#if !defined (__MMU_HASH64_H__)
#define __MMU_HASH64_H__
#ifndef CONFIG_USER_ONLY
#ifdef TARGET_PPC64
void ppc_hash64_check_page_sizes(PowerPCCPU *cpu, Error **errp);
void dump_slb(FILE *f, fprintf_function cpu_fprintf, PowerPCCPU *cpu);
int ppc_store_slb(PowerPCCPU *cpu, target_ulong slot,
target_ulong esid, target_ulong vsid);
hwaddr ppc_hash64_get_phys_page_debug(PowerPCCPU *cpu, target_ulong addr);
int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, target_ulong address, int rw,
int mmu_idx);
void ppc_hash64_store_hpte(PowerPCCPU *cpu, target_ulong index,
target_ulong pte0, target_ulong pte1);
void ppc_hash64_tlb_flush_hpte(PowerPCCPU *cpu,
target_ulong pte_index,
target_ulong pte0, target_ulong pte1);
unsigned ppc_hash64_hpte_page_shift_noslb(PowerPCCPU *cpu,
uint64_t pte0, uint64_t pte1,
unsigned *seg_page_shift);
#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
#define SLB_VSID_16M 0x0000000000000100ULL
#define SLB_VSID_16G 0x0000000000000120ULL
/*
* 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(PowerPCCPU *cpu,
uint64_t token, int index)
{
CPUPPCState *env = &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(CPU(cpu)->as, addr);
}
}
static inline target_ulong ppc_hash64_load_hpte1(PowerPCCPU *cpu,
uint64_t token, int index)
{
CPUPPCState *env = &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(CPU(cpu)->as, addr);
}
}
typedef struct {
uint64_t pte0, pte1;
} ppc_hash_pte64_t;
#endif /* CONFIG_USER_ONLY */
#endif /* !defined (__MMU_HASH64_H__) */