diff options
Diffstat (limited to 'target-alpha/cpu.h')
| -rw-r--r-- | target-alpha/cpu.h | 56 |
1 files changed, 43 insertions, 13 deletions
diff --git a/target-alpha/cpu.h b/target-alpha/cpu.h index 01e37414a0..4407b32509 100644 --- a/target-alpha/cpu.h +++ b/target-alpha/cpu.h @@ -274,11 +274,6 @@ struct CPUAlphaState { #define cpu_gen_code cpu_alpha_gen_code #define cpu_signal_handler cpu_alpha_signal_handler -static inline int cpu_mmu_index (CPUState *env) -{ - return (env->ps >> 3) & 1; -} - #include "cpu-all.h" enum { @@ -305,14 +300,49 @@ enum { EXCP_STQ_C, }; -/* Arithmetic exception */ -#define EXC_M_IOV (1<<16) /* Integer Overflow */ -#define EXC_M_INE (1<<15) /* Inexact result */ -#define EXC_M_UNF (1<<14) /* Underflow */ -#define EXC_M_FOV (1<<13) /* Overflow */ -#define EXC_M_DZE (1<<12) /* Division by zero */ -#define EXC_M_INV (1<<11) /* Invalid operation */ -#define EXC_M_SWC (1<<10) /* Software completion */ +/* Hardware interrupt (entInt) constants. */ +enum { + INT_K_IP, + INT_K_CLK, + INT_K_MCHK, + INT_K_DEV, + INT_K_PERF, +}; + +/* Memory management (entMM) constants. */ +enum { + MM_K_TNV, + MM_K_ACV, + MM_K_FOR, + MM_K_FOE, + MM_K_FOW +}; + +/* Arithmetic exception (entArith) constants. */ +enum { + EXC_M_SWC = 1, /* Software completion */ + EXC_M_INV = 2, /* Invalid operation */ + EXC_M_DZE = 4, /* Division by zero */ + EXC_M_FOV = 8, /* Overflow */ + EXC_M_UNF = 16, /* Underflow */ + EXC_M_INE = 32, /* Inexact result */ + EXC_M_IOV = 64 /* Integer Overflow */ +}; + +/* Processor status constants. */ +enum { + /* Low 3 bits are interrupt mask level. */ + PS_INT_MASK = 7, + + /* Bits 4 and 5 are the mmu mode. The VMS PALcode uses all 4 modes; + The Unix PALcode only uses bit 4. */ + PS_USER_MODE = 8 +}; + +static inline int cpu_mmu_index(CPUState *env) +{ + return (env->ps & PS_USER_MODE) != 0; +} enum { IR_V0 = 0, |