diff options
| author | Tobias Klauser <tklauser@distanz.ch> | 2010-11-11 11:21:40 +0100 |
|---|---|---|
| committer | Tobias Klauser <tklauser@distanz.ch> | 2010-11-11 11:21:40 +0100 |
| commit | e0330d9534d8cfeffff81f426df1d3277702b835 (patch) | |
| tree | ba90c33bf555a4921a1279105beb54e9a9064ce5 /instruction.h | |
| parent | 556c8e0600546b4edf49d6a70adb5b831cd4e25a (diff) | |
Implement basic instruction handling
Diffstat (limited to 'instruction.h')
| -rw-r--r-- | instruction.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/instruction.h b/instruction.h index 57fd1b6..f53c995 100644 --- a/instruction.h +++ b/instruction.h @@ -196,9 +196,15 @@ enum { }; #define R_TYPE_COUNT 0x40 +#define INSTR_ERR -1 +#define PC_INC_NORMAL 0 +#define PC_INC_BY_INSTR 1 + /* Forward declaration */ struct nios2; -typedef uint32_t (*instruction_handler)(struct nios2 *cpu, uint32_t opcode); +typedef int (*instruction_handler)(struct nios2 *cpu, uint32_t opcode); + +extern instruction_handler instruction_get_handler(uint32_t code); #endif /* _INSTRUCTION_H_ */ |