diff options
Diffstat (limited to 'lib/ccdbg.h')
| -rw-r--r-- | lib/ccdbg.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/ccdbg.h b/lib/ccdbg.h index 203b5aeb..241c4eec 100644 --- a/lib/ccdbg.h +++ b/lib/ccdbg.h @@ -39,6 +39,7 @@ /* 8051 instructions */ +#define NOP 0x00 #define MOV_direct_data 0x75 #define LJMP 0x02 #define MOV_Rn_data(n) (0x78 | (n)) @@ -99,6 +100,9 @@ /* Bit-addressable accumulator */ #define ACC(bit) (0xE0 | (bit)) +/* Bit-addressable status word */ +#define PSW(bit) (0xD0 | (bit)) + #define CP_USB_ASYNC struct ccdbg { @@ -107,6 +111,7 @@ struct ccdbg { #else struct cp_usb *cp; #endif + struct hex_image *rom; }; /* Intel hex file format data @@ -130,6 +135,18 @@ struct hex_image { uint8_t data[0]; }; +#define CC_STATE_ACC 0x1 +#define CC_STATE_PSW 0x2 +#define CC_STATE_DP 0x4 + +#define CC_STATE_NSFR 5 + +struct ccstate { + uint16_t mask; + uint8_t acc; + uint8_t sfr[CC_STATE_NSFR]; +}; + #define HEX_RECORD_NORMAL 0x00 #define HEX_RECORD_EOF 0x01 #define HEX_RECORD_EXTENDED_ADDRESS 0x02 @@ -337,4 +354,30 @@ ccdbg_read_sfr(struct ccdbg *dbg, uint8_t addr, uint8_t *bytes, int nbytes); uint8_t ccdbg_write_sfr(struct ccdbg *dbg, uint8_t addr, uint8_t *bytes, int nbytes); +/* ccdbg-rom.c */ +uint8_t +ccdbg_set_rom(struct ccdbg *dbg, struct hex_image *rom); + +uint8_t +ccdbg_rom_contains(struct ccdbg *dbg, uint16_t addr, int nbytes); + +uint8_t +ccdbg_rom_replace_xmem(struct ccdbg *dbg, + uint16_t addrp, uint8_t *bytesp, int nbytes); + +/* ccdbg-state.c */ +uint8_t +ccdbg_state_save(struct ccdbg *dbg, struct ccstate *state, unsigned int mask); + +uint8_t +ccdbg_state_restore(struct ccdbg *dbg, struct ccstate *state); + +void +ccdbg_state_replace_xmem(struct ccdbg *dbg, struct ccstate *state, + uint16_t addr, uint8_t *bytes, int nbytes); + +void +ccdbg_state_replace_sfr(struct ccdbg *dbg, struct ccstate *state, + uint8_t addr, uint8_t *bytes, int nbytes); + #endif /* _CCDBG_H_ */ |