diff options
Diffstat (limited to 'target/ppc/cpu.h')
| -rw-r--r-- | target/ppc/cpu.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 94a804a605..d859c45a2e 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -219,6 +219,48 @@ typedef enum powerpc_excp_t { POWERPC_EXCP_POWER10, } powerpc_excp_t; +/*****************************************************************************/ +/* MMU model */ +typedef enum powerpc_mmu_t { + POWERPC_MMU_UNKNOWN = 0x00000000, + /* Standard 32 bits PowerPC MMU */ + POWERPC_MMU_32B = 0x00000001, + /* PowerPC 6xx MMU with software TLB */ + POWERPC_MMU_SOFT_6xx = 0x00000002, + /* + * PowerPC 74xx MMU with software TLB (this has been + * disabled, see git history for more information. + * keywords: tlbld tlbli TLBMISS PTEHI PTELO) + */ + POWERPC_MMU_SOFT_74xx = 0x00000003, + /* PowerPC 4xx MMU with software TLB */ + POWERPC_MMU_SOFT_4xx = 0x00000004, + /* PowerPC MMU in real mode only */ + POWERPC_MMU_REAL = 0x00000006, + /* Freescale MPC8xx MMU model */ + POWERPC_MMU_MPC8xx = 0x00000007, + /* BookE MMU model */ + POWERPC_MMU_BOOKE = 0x00000008, + /* BookE 2.06 MMU model */ + POWERPC_MMU_BOOKE206 = 0x00000009, +#define POWERPC_MMU_64 0x00010000 + /* 64 bits PowerPC MMU */ + POWERPC_MMU_64B = POWERPC_MMU_64 | 0x00000001, + /* Architecture 2.03 and later (has LPCR) */ + POWERPC_MMU_2_03 = POWERPC_MMU_64 | 0x00000002, + /* Architecture 2.06 variant */ + POWERPC_MMU_2_06 = POWERPC_MMU_64 | 0x00000003, + /* Architecture 2.07 variant */ + POWERPC_MMU_2_07 = POWERPC_MMU_64 | 0x00000004, + /* Architecture 3.00 variant */ + POWERPC_MMU_3_00 = POWERPC_MMU_64 | 0x00000005, +} powerpc_mmu_t; + +static inline bool mmu_is_64bit(powerpc_mmu_t mmu_model) +{ + return mmu_model & POWERPC_MMU_64; +} + #define PPC_INPUT(env) ((env)->bus_model) /*****************************************************************************/ |