X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ccdbg.c;h=c144a06afa7cac350fcd543308ee2e5dc041843c;hp=a35481438bc4db6b8897d95429a219df4d87679e;hb=b4d1127ef007843c643b778b3b2f6b915b1d5d9a;hpb=807e2adacb025af77bb53c03209e9c8e0d7a5f95 diff --git a/ccdbg.c b/ccdbg.c index a3548143..c144a06a 100644 --- a/ccdbg.c +++ b/ccdbg.c @@ -18,11 +18,6 @@ #include "ccdbg.h" -#define MOV_direct_data 0x75 -#define LJMP 0x02 -#define MOV_Rn_data(n) (0x78 | (n)) -#define DJNZ_Rn_rel(n) (0xd8 | (n)) - #if 0 static uint8_t instructions[] = { 3, MOV_direct_data, 0xfe, 0x02, @@ -31,39 +26,47 @@ static uint8_t instructions[] = { }; #endif +#if 0 static uint8_t mem_instr[] = { MOV_direct_data, 0xfe, 0x02, + MOV_Rn_data(0), 0x00, + MOV_Rn_data(1), 0x00, MOV_direct_data, 0x90, 0xff, MOV_Rn_data(2), 0x10, - MOV_Rn_data(0), 0xff, - MOV_Rn_data(1), 0xff, DJNZ_Rn_rel(1), 0xfe, - DJNZ_Rn_rel(0), 0xfa, - DJNZ_Rn_rel(2), 0xf6, + DJNZ_Rn_rel(0), 0xfc, + DJNZ_Rn_rel(2), 0xfa, MOV_direct_data, 0x90, 0xfd, MOV_Rn_data(2), 0x10, - MOV_Rn_data(0), 0xff, - MOV_Rn_data(1), 0xff, DJNZ_Rn_rel(1), 0xfe, - DJNZ_Rn_rel(0), 0xfa, - DJNZ_Rn_rel(2), 0xf6, - LJMP, 0xf0, 0x03 + DJNZ_Rn_rel(0), 0xfc, + DJNZ_Rn_rel(2), 0xfa, + SJMP, 0xe7, }; +#endif -static uint8_t jump_mem[] = { - 3, LJMP, 0xf0, 0x00, - 0 -}; +#if 0 +static struct hex_image * +make_hex_image(uint16_t addr, uint8_t *data, uint16_t length) +{ + struct hex_image *image; + + image = malloc(sizeof (struct hex_image) + length); + image->address = addr; + image->length = length; + memcpy(image->data, data, length); + return image; +} +#endif int main (int argc, char **argv) { struct ccdbg *dbg; uint8_t status; - uint16_t chip_id; uint16_t pc; - uint8_t memory[0x10]; - int i; + struct hex_file *hex; + struct hex_image *image; dbg = ccdbg_open("/dev/ttyUSB0"); if (!dbg) @@ -72,26 +75,38 @@ main (int argc, char **argv) ccdbg_manual(dbg, stdin); #endif #if 1 - ccdbg_reset(dbg); + hex = ccdbg_hex_file_read(stdin, ""); + if (!hex) + exit (1); + image = ccdbg_hex_image_create(hex); + ccdbg_hex_file_free(hex); +#else + image = make_hex_image(0xf000, mem_instr, sizeof (mem_instr)); +#endif + ccdbg_debug_mode(dbg); - status = ccdbg_read_status(dbg); - printf("Status: 0x%02x\n", status); - chip_id = ccdbg_get_chip_id(dbg); - printf("Chip id: 0x%04x\n", chip_id); - status = ccdbg_halt(dbg); - printf ("halt status: 0x%02x\n", status); -/* ccdbg_execute(dbg, instructions); */ - ccdbg_write_memory(dbg, 0xf000, mem_instr, sizeof (mem_instr)); - ccdbg_read_memory(dbg, 0xf000, memory, sizeof (memory)); - for (i = 0; i < sizeof (memory); i++) - printf (" %02x", memory[i]); - printf ("\n"); - ccdbg_execute(dbg, jump_mem); - pc = ccdbg_get_pc(dbg); - printf ("pc starts at 0x%04x\n", pc); - status = ccdbg_resume(dbg); - printf ("resume status: 0x%02x\n", status); + +#if 1 + if (!image) { + fprintf(stderr, "image create failed\n"); + exit (1); + } + if (image->address == 0xf000) { + printf("Loading %d bytes to execute from RAM\n", image->length); + ccdbg_write_hex_image(dbg, image, 0); + } else if (image->address == 0x0000) { + printf("Loading code to execute from FLASH\n"); + ccdbg_flash_hex_image(dbg, image); + } else { + printf("Cannot load code to 0x%04x\n", + image->address); + ccdbg_hex_image_free(image); + ccdbg_close(dbg); + exit(1); + } + ccdbg_set_pc(dbg, image->address); #endif + ccdbg_resume(dbg); ccdbg_close(dbg); exit (0); }