/* * Copyright © 2008 Keith Packard * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _CCDBG_H_ #define _CCDBG_H_ #include #include #include #include #include #include #include #include #include #include #include #undef USE_KERNEL #ifdef USE_KERNEL #include #define CC_CLOCK CP2101_GPIO_MASK(0) #define CC_DATA CP2101_GPIO_MASK(1) #define CC_RESET_N CP2101_GPIO_MASK(2) #else #define CC_CLOCK 0x1 #define CC_DATA 0x2 #define CC_RESET_N 0x4 #include #endif /* painfully slow for now */ #define CC_CLOCK_US (50) #define MOV_direct_data 0x75 #define LJMP 0x02 #define MOV_Rn_data(n) (0x78 | (n)) #define DJNZ_Rn_rel(n) (0xd8 | (n)) #define MOV_A_direct 0xe5 #define MOV_direct_A 0xf5 #define MOV_DPTR_data16 0x90 #define MOV_A_data 0x74 #define MOVX_atDPTR_A 0xf0 #define MOVX_A_atDPTR 0xe0 #define INC_DPTR 0xa3 #define TRAP 0xa5 #define SJMP 0x80 #define FWT 0xAB #define FADDRL 0xAC #define FADDRH 0xAD #define FCTL 0xAE # define FCTL_BUSY 0x80 # define FCTL_BUSY_BIT 7 # define FCTL_SWBSY 0x40 # define FCTL_SWBSY_BIT 6 # define FCTL_CONTRD 0x10 # define FCTL_WRITE 0x02 # define FCTL_ERASE 0x01 #define FWDATA 0xAF #define CLKCON 0xC6 #define CLKCON_OSC32K 0x80 #define CLKCON_OSC 0x40 #define CLKCON_TICKSPD 0x38 #define CLKCON_CLKSPD 0x07 #define P0 0x80 #define P1 0x90 #define P2 0xA0 #define P0DIR 0xFD #define P1DIR 0xFE #define P2DIR 0xFF #define SLEEP 0xBE #define JB 0x20 #define ACC(bit) (0xE0 | (bit)) struct ccdbg { usb_dev_handle *usb_dev; uint8_t gpio; #ifdef USE_KERNEL int fd; #endif uint8_t debug_data; int clock; }; struct hex_record { uint8_t length; uint16_t address; uint8_t type; uint8_t checksum; uint8_t data[0]; }; struct hex_file { int nrecord; struct hex_record *records[0]; }; struct hex_image { uint16_t address; uint16_t length; uint8_t data[0]; }; #define HEX_RECORD_NORMAL 0x00 #define HEX_RECORD_EOF 0x01 #define HEX_RECORD_EXTENDED_ADDRESS 0x02 #include "cccp.h" #define CC_CHIP_ERASE 0x14 #define CC_WR_CONFIG 0x1d #define CC_RD_CONFIG 0x24 # define CC_CONFIG_TIMERS_OFF (1 << 3) # define CC_CONFIG_DMA_PAUSE (1 << 2) # define CC_CONFIG_TIMER_SUSPEND (1 << 1) # define CC_SET_FLASH_INFO_PAGE (1 << 0) #define CC_GET_PC 0x28 #define CC_READ_STATUS 0x34 # define CC_STATUS_CHIP_ERASE_DONE (1 << 7) # define CC_STATUS_PCON_IDLE (1 << 6) # define CC_STATUS_CPU_HALTED (1 << 5) # define CC_STATUS_POWER_MODE_0 (1 << 4) # define CC_STATUS_HALT_STATUS (1 << 3) # define CC_STATUS_DEBUG_LOCKED (1 << 2) # define CC_STATUS_OSCILLATOR_STABLE (1 << 1) # define CC_STATUS_STACK_OVERFLOW (1 << 0) #define CC_SET_HW_BRKPNT 0x3b # define CC_HW_BRKPNT_N(n) ((n) << 3) # define CC_HW_BRKPNT_N_MASK (0x3 << 3) # define CC_HW_BRKPNT_ENABLE (1 << 2) #define CC_HALT 0x44 #define CC_RESUME 0x4c #define CC_DEBUG_INSTR(n) (0x54|(n)) #define CC_STEP_INSTR 0x5c #define CC_STEP_REPLACE(n) (0x64|(n)) #define CC_GET_CHIP_ID 0x68 #define CC_DEBUG_BITBANG 0x00000001 #define CC_DEBUG_COMMAND 0x00000002 #define CC_DEBUG_INSTRUCTIONS 0x00000004 /* ccdbg-command.c */ void ccdbg_debug_mode(struct ccdbg *dbg); void ccdbg_reset(struct ccdbg *dbg); uint8_t ccdbg_chip_erase(struct ccdbg *dbg); uint8_t ccdbg_wr_config(struct ccdbg *dbg, uint8_t config); uint8_t ccdbg_rd_config(struct ccdbg *dbg); uint16_t ccdbg_get_pc(struct ccdbg *dbg); uint8_t ccdbg_read_status(struct ccdbg *dbg); uint8_t ccdbg_set_hw_brkpnt(struct ccdbg *dbg, uint8_t number, uint8_t enable, uint16_t addr); uint8_t ccdbg_halt(struct ccdbg *dbg); uint8_t ccdbg_resume(struct ccdbg *dbg); uint8_t ccdbg_debug_instr(struct ccdbg *dbg, uint8_t *instr, int nbytes); uint8_t ccdbg_step_instr(struct ccdbg *dbg); uint8_t ccdbg_step_replace(struct ccdbg *dbg, uint8_t *instr, int nbytes); uint16_t ccdbg_get_chip_id(struct ccdbg *dbg); uint8_t ccdbg_execute(struct ccdbg *dbg, uint8_t *inst); uint8_t ccdbg_set_pc(struct ccdbg *dbg, uint16_t pc); uint8_t ccdbg_execute_hex_image(struct ccdbg *dbg, struct hex_image *image); /* ccdbg-debug.c */ void ccdbg_debug(int level, char *format, ...); void ccdbg_add_debug(int level); void ccdbg_clear_debug(int level); /* ccdbg-flash.c */ uint8_t ccdbg_flash_hex_image(struct ccdbg *dbg, struct hex_image *image); /* ccdbg-hex.c */ struct hex_file * ccdbg_hex_file_read(FILE *file, char *name); void ccdbg_hex_file_free(struct hex_file *hex); struct hex_image * ccdbg_hex_image_create(struct hex_file *hex); void ccdbg_hex_image_free(struct hex_image *image); int ccdbg_hex_image_equal(struct hex_image *a, struct hex_image *b); /* ccdbg-io.c */ void ccdbg_half_clock(struct ccdbg *dbg); int ccdbg_write(struct ccdbg *dbg, uint8_t mask, uint8_t value); uint8_t ccdbg_read(struct ccdbg *dbg); struct ccdbg * ccdbg_open(void); void ccdbg_close(struct ccdbg *dbg); void ccdbg_clock_1_0(struct ccdbg *dbg); void ccdbg_clock_0_1(struct ccdbg *dbg); void ccdbg_write_bit(struct ccdbg *dbg, uint8_t bit); void ccdbg_write_byte(struct ccdbg *dbg, uint8_t byte); uint8_t ccdbg_read_bit(struct ccdbg *dbg); uint8_t ccdbg_read_byte(struct ccdbg *dbg); void ccdbg_cmd_write(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len); uint8_t ccdbg_cmd_write_read8(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len); uint16_t ccdbg_cmd_write_read16(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len); void ccdbg_send(struct ccdbg *dbg, uint8_t mask, uint8_t set); void ccdbg_send_bit(struct ccdbg *dbg, uint8_t bit); void ccdbg_send_byte(struct ccdbg *dbg, uint8_t byte); void ccdbg_send_bytes(struct ccdbg *dbg, uint8_t *bytes, int nbytes); uint8_t ccdbg_recv_bit(struct ccdbg *dbg, int first); uint8_t ccdbg_recv_byte(struct ccdbg *dbg, int first); void ccdbg_recv_bytes(struct ccdbg *dbg, uint8_t *bytes, int nbytes); void ccdbg_print(char *format, uint8_t mask, uint8_t set); /* ccdbg-manual.c */ void ccdbg_manual(struct ccdbg *dbg, FILE *input); /* ccdbg-memory.c */ uint8_t ccdbg_write_memory(struct ccdbg *dbg, uint16_t addr, uint8_t *bytes, int nbytes); uint8_t ccdbg_read_memory(struct ccdbg *dbg, uint16_t addr, uint8_t *bytes, int nbytes); uint8_t ccdbg_write_uint8(struct ccdbg *dbg, uint16_t addr, uint8_t byte); uint8_t ccdbg_write_hex_image(struct ccdbg *dbg, struct hex_image *image, uint16_t offset); struct hex_image * ccdbg_read_hex_image(struct ccdbg *dbg, uint16_t address, uint16_t length); /* cp-usb.c */ void cp_usb_init(struct ccdbg *dbg); void cp_usb_fini(struct ccdbg *dbg); void cp_usb_write(struct ccdbg *dbg, uint8_t mask, uint8_t value); uint8_t cp_usb_read(struct ccdbg *dbg); #endif /* _CCDBG_H_ */