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https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [bootloaders/] [orpmon/] [common/] [common.c] - Rev 434
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#include "common.h" #include "uart.h" #include "screen.h" #include "support.h" #include "keyboard.h" #include "spr-defs.h" #include "spincursor.h" #include "int.h" #include "build.h" #define MAX_COMMANDS 100 // Value from linker script extern unsigned long _src_addr; bd_t bd; int num_commands = 0; command_struct command[MAX_COMMANDS]; void putc(const char c) { debug("putc %i, %i = %c\n", bd.bi_console_type, c, c); switch (bd.bi_console_type) { case CT_NONE: break; case CT_UART: uart_putc(c); break; #if CRT_ENABLED==1 case CT_CRT: screen_putc(c); break; #endif case CT_SIM: __printf("%c", c); break; } } int getc() { int ch = 0; debug("getc %i\n", bd.bi_console_type); switch (bd.bi_console_type) { #if KBD_ENABLED==1 case CT_CRT: while ((volatile int)kbd_head == (volatile int)kbd_tail) ; ch = kbd_buf[kbd_tail]; kbd_tail = (kbd_tail + 1) % KBDBUF_SIZE; return ch; #endif case CT_UART: return uart_getc(); break; case CT_NONE: /* just to satisfy the compiler */ case CT_SIM: break; } return -1; } int testc() { debug("testc %i\n", bd.bi_console_type); switch (bd.bi_console_type) { #if KBD_ENABLED case CT_CRT: if (kbd_head == kbd_tail) return 0; else return getc(); #endif case CT_UART: return uart_testc(); break; case CT_NONE: /* just to satisfy the compiler */ case CT_SIM: break; } return -1; } int ctrlc() { if (testc()) { switch (getc()) { case 0x03: /* ^C - Control C */ return 1; default: break; } } return 0; } void print_or1k_cache_info() { // Read out UPR, check what modules we have unsigned long upr = mfspr(SPR_UPR); printf("Instruction cache:\t"); if (upr & SPR_UPR_ICP) { // We have instruction cache, read out ICCFGR unsigned long iccfgr = mfspr(SPR_ICCFGR); unsigned int cbs; // cache block size unsigned long ncs = 1 << ((iccfgr & SPR_ICCFGR_NCS) >> 3); if (iccfgr & SPR_ICCFGR_CBS) cbs = 32; else cbs = 16; printf("%dkB (BS: %d Sets: %d)\n", (cbs * ncs) / 1024, cbs, ncs); } else printf(" not present\n"); printf("Data cache:\t\t"); if (upr & SPR_UPR_DCP) { // We have instruction cache, read out DCCFGR unsigned long iccfgr = mfspr(SPR_DCCFGR); unsigned int cbs; // cache block size unsigned long ncs = 1 << ((iccfgr & SPR_DCCFGR_NCS) >> 3); if (iccfgr & SPR_DCCFGR_CBS) cbs = 32; else cbs = 16; printf("%dkB (BS: %d Sets: %d)\n", (cbs * ncs) / 1024, cbs, ncs); } else printf(" not present\n"); } unsigned long parse_ip(char *ip) { unsigned long num; num = strtoul(ip, &ip, 10) & 0xff; if (*ip++ != '.') return 0; num = (num << 8) | (strtoul(ip, &ip, 10) & 0xff); if (*ip++ != '.') return 0; num = (num << 8) | (strtoul(ip, &ip, 10) & 0xff); if (*ip++ != '.') return 0; num = (num << 8) | (strtoul(ip, &ip, 10) & 0xff); return num; } void change_console_type(enum bi_console_type_t con_type) { debug("Console change %i -> %i\n", bd.bi_console_type, con_type); /* Close previous */ switch (bd.bi_console_type) { case CT_NONE: case CT_UART: case CT_CRT: case CT_SIM: break; } bd.bi_console_type = con_type; /* Initialize new */ switch (bd.bi_console_type) { case CT_NONE: break; case CT_UART: uart_init(); break; case CT_CRT: #if CRT_ENABLED==1 screen_init(); #endif #if KBD_ENABLED kbd_init(); #endif break; case CT_SIM: break; } } void register_command_func(const char *name, const char *params, const char *help, int (*func) (int argc, char *argv[])) { debug("register_command '%s'\n", name); if (num_commands < MAX_COMMANDS) { command[num_commands].name = name; command[num_commands].params = params; command[num_commands].help = help; command[num_commands].func = func; num_commands++; } else printf("Command '%s' ignored; MAX_COMMANDS limit reached\n", name); } /* Process command and arguments by executing specific function. */ void mon_command(void) { char c = '\0'; char str[1000]; char *pstr = str; char *command_str; char *argv[20]; int argc = 0; int chcnt = 0; /* Show prompt */ printf("\n" BOARD_DEF_NAME "> "); while (1) { c = getc(); if (c == 0x7f) // Backspace on picocom is showing up as 0x7f c = '\b'; if (c == '\r' || c == '\f' || c == '\n') { // Mark end of string *pstr = '\0'; putc('\n'); break; } else if (c == '\b') // Backspace { if (chcnt > 0) { putc(c); putc(' '); // cover char with space putc(c); pstr--; chcnt--; } } else { putc(c); *pstr++ = c; chcnt++; } } /* Skip leading blanks */ pstr = str; while (*pstr == ' ' && *pstr != '\0') pstr++; /* Get command from the string */ command_str = pstr; while (1) { /* Go to next argument */ while (*pstr != ' ' && *pstr != '\0') pstr++; if (*pstr) { *pstr++ = '\0'; while (*pstr == ' ') pstr++; argv[argc++] = pstr; } else break; } { int i, found = 0; for (i = 0; i < num_commands; i++) if (strcmp(command_str, command[i].name) == 0) { switch (command[i].func(argc, &argv[0])) { case -1: printf ("Missing/wrong parameters, usage: %s %s\n", command[i].name, command[i].params); break; } found++; break; } /* 'built-in' build command */ if (strcmp(command_str, "build") == 0) { printf("Build tag: %s", BUILD_VERSION); found++; } if (!found) printf("Unknown command. Type 'help' for help.\n"); } } #if HELP_ENABLED extern unsigned long _src_addr; // Stack section ends here, will print it out /* Displays help screen */ int help_cmd(int argc, char *argv[]) { int i; for (i = 0; i < num_commands; i++) printf("%-10s %-20s - %s\n", command[i].name, command[i].params, command[i].help); // Build info.... printf("\n"); printf("CPU info\n"); printf("Frequency\t\t%dMHz\n", IN_CLK / 1000000); print_or1k_cache_info(); printf("\n"); printf("Info: Stack section addr 0x%x\n", (unsigned long)&_src_addr); printf("Build tag: %s", BUILD_VERSION); return 0; } #endif /* HELP_ENABLED */ void module_cpu_init(void); void module_memory_init(void); void module_eth_init(void); void module_dhry_init(void); void module_coremark_init(void); void module_camera_init(void); void module_load_init(void); void tick_init(void); void module_touch_init(void); void module_ata_init(void); void module_hdbug_init(void); /* List of all initializations */ void mon_init(void) { /* Set defaults */ global.erase_method = 2; /* as needed */ global.src_addr = (unsigned long)&_src_addr; global.dst_addr = FLASH_BASE_ADDR; global.eth_add[0] = ETH_MACADDR0; global.eth_add[1] = ETH_MACADDR1; global.eth_add[2] = ETH_MACADDR2; global.eth_add[3] = ETH_MACADDR3; global.eth_add[4] = ETH_MACADDR4; global.eth_add[5] = ETH_MACADDR5; global.ip = BOARD_DEF_IP; global.gw_ip = BOARD_DEF_GW; global.mask = BOARD_DEF_MASK; #define CPU_CMDS #define MEM_CMDS #define DHRY_CMDS #define COREMARK_CMDS //#define CAMERA_CMDS #define LOAD_CMDS //#define TOUCHSCREEN_CMDS //#define ATA_CMDS //#define HDBUG_CMDS #define TICK_CMDS #define ETH_CMDS #define LOAD_CMDS /* Init modules */ #ifdef CPU_CMDS module_cpu_init(); #endif #ifdef MEM_CMDS module_memory_init(); #endif #ifdef ETH_CMDS module_eth_init(); #endif #ifdef DHRY_CMDS module_dhry_init(); #endif #ifdef COREMARK_CMDS module_coremark_init(); #endif #ifdef CAMERA_CMDS module_camera_init(); #endif #ifdef LOAD_CMDS module_load_init(); #endif #ifdef TOUCHSCREEN_CMDS module_touch_init(); #endif #ifdef ATA_CMDS module_ata_init(); #endif #ifdef HDBUG_CMDS module_hdbug_init(); #endif #ifdef TICK_CMDS #endif } int tboot_cmd(int argc, char *argv[]); /* Main shell loop */ int main(int argc, char **argv) { extern unsigned long calc_mycrc32(void); #if 0 extern unsigned long mycrc32, mysize; #endif timestamp = 0; // clear timer counter int_init(); change_console_type(CONSOLE_TYPE); mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_IEE); #if SELF_CHECK printf("Self check... "); if ((t = calc_mycrc32())) printf("FAILED!!!\n"); else printf("OK\n"); #endif /* SELF_CHECK */ num_commands = 0; mon_init(); disable_spincursor(); tick_init(); if (HELP_ENABLED) register_command("help", "", "shows this help", help_cmd); printf("\n" BOARD_DEF_NAME " monitor (type 'help' for help)\n"); printf("\tbuild: %s", BUILD_VERSION); // Loop forever, accepting commands while (1) { mon_command(); } }
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