static int bt_setenv(int argc, char **argv) {
BT_u32 total_length = 0;
BT_u32 i;
for(i = 2; i < argc; i++) {
total_length += strlen(argv[i]) + 1; // Add a space after each item.
}
if(!total_length) {
clear_env(argv[1]);
return 0;
}
char *s = BT_kMalloc(total_length+1);
if(!s) {
bt_printf("No memory could not allocated temporary memory to construct string\n");
return -1;
}
strcpy(s, "");
for(i = 2; i < argc; i++) {
strcat(s, argv[i]);
if(i == argc-1) {
break;
}
strcat(s, " ");
}
BT_ShellSetEnv(argv[1], s, BT_ENV_T_STRING);
BT_kFree(s);
return 0;
}
static int ext2_readblocks(unsigned char *pBuffer, unsigned int SectorAddress, unsigned int Count, void *pParam) {
BT_HANDLE hVolume = (BT_HANDLE)pParam;
BT_s32 slRead = BT_VolumeRead(hVolume, SectorAddress, Count, pBuffer);
#if DEBUG
int i, j;
for(i=0;i<Count;i++) {
bt_printf("%02d+%02d: ", SectorAddress, i);
for(j=0;j<SECTOR_SIZE;j++) {
if((j%16) == 0) bt_printf("\n ");
bt_printf("%02x ", pBuffer[j]);
}
bt_printf("\n");
}
#endif
return (int) slRead;
}
static int bt_boot(int argc, char **argv) {
if(argc != 2 && argc != 4) {
bt_printf("Usage: %s {--core [coreID]} [start-address]\n", argv[0]);
return -1;
}
BT_u32 coreID = 0;
BT_u32 addr;
if(argc == 4) {
if(strcmp(argv[1], "--core")) {
bt_printf("Invalid argument %s\n", argv[1]);
return -1;
}
coreID = strtol(argv[2], NULL, 10);
addr = strtol(argv[3], NULL, 16);
} else {
addr = strtol(argv[1], NULL, 16);
}
void *p = (void *) addr;
BT_DCacheFlush();
BT_ICacheInvalidate();
BT_DCacheDisable();
if(!coreID) {
BT_StopSystemTimer();
BT_DisableInterrupts();
jump jmp = p;
jmp();
while(1) {
__asm__ ("");
}
} else {
// Must use MACH core boot interface.
BT_BootCore(coreID, p);
}
return 0;
}
BT_ERROR BT_kPrint(const char *format, ... ) {
va_list ap;
#ifndef BT_CONFIG_KERNEL_NONE
#ifdef BT_CONFIG_SYSLOG_SYSTICK
BT_TICK oTicks = BT_GetKernelTick();
bt_printf("[%5d.%03d] : ", oTicks / 1000, oTicks % 1000);
#else
BT_u64 gt = BT_GetGlobalTimer();
BT_u32 rate = BT_GetGlobalTimerRate();
bt_printf("[%5d.%06d] : ", (BT_u32) (gt / (BT_u64)rate), (BT_u32) ((1000000 * (gt % (BT_u64)rate)) / rate ));
#endif
#endif
va_start(ap, format);
bt_kvprintf(format, bt_fputc, BT_GetStdout(), 10, ap);
va_end(ap);
#ifdef BT_CONFIG_SYSLOG_LINE_ENDINGS_CR
bt_printf("\n");
#endif
#ifdef BT_CONFIG_SYSLOG_LINE_ENDINGS_LF
bt_printf("\r");
#endif
#ifdef BT_CONFIG_SYSLOG_LINE_ENDINGS_CRLF
bt_printf("\n\r");
#endif
#ifdef BT_CONFIG_SYSLOG_LINE_ENDINGS_LFCR
bt_printf("\r\n");
#endif
return BT_ERR_NONE;
}
static int bt_boot_jtag(int argc, char **argv) {
if(argc != 3) {
bt_printf("Usage: %s --core [coreID]\n", argv[0]);
return -1;
}
BT_u32 coreID = 0;
if(strcmp(argv[1], "--core")) {
bt_printf("Invalid argument %s\n", argv[1]);
return -1;
}
coreID = strtoul(argv[2], NULL, 10);
void *p = (void *) wait_jtag;
BT_DCacheFlush();
BT_ICacheInvalidate();
if(!coreID) {
BT_StopSystemTimer();
BT_DisableInterrupts();
jump jmp = p;
jmp();
while(1) {
__asm__ ("");
}
} else {
// Must use MACH core boot interface.
BT_BootCore(coreID, p);
}
return 0;
}
static int bt_gpio(int argc, char **argv) {
if(argc != 3) {
bt_printf("Usage: %s {gpio_nr} {1|0}\n", argv[0]);
return -1;
}
BT_u32 gpio = strtoul(argv[1], NULL, 10);
BT_u32 state = strtoul(argv[2], NULL, 10);
if(!state) {
state = BT_FALSE;
} else {
state = BT_TRUE;
}
BT_GpioSet(gpio, state);
return 0;
}
static int bt_gpio_dir(int argc, char **argv) {
if(argc != 3) {
bt_printf("Usage: %s {gpio_nr} {1|0}\n", argv[0]);
return -1;
}
BT_u32 gpio = strtoul(argv[1], NULL, 10);
BT_u32 state = strtoul(argv[2], NULL, 10);
if(!state) {
state = BT_GPIO_DIR_INPUT;
} else {
state = BT_GPIO_DIR_OUTPUT;
}
BT_GpioSetDirection(gpio, state);
return 0;
}
void __hidden print_dvm_bt(struct tls_info *tls, struct dvm_iface *dvm,
struct dvm_bt *dvm_bt)
{
int ii;
ii = compare_traces(tls, dvm, dvm_bt);
if (ii < 0) {
__bt_printf(tls, "DVM:BT_REPEAT:1:");
return;
}
/* else if (ii > 1)
__bt_printf(tls, "DVM:BT_REPEAT:%d:", ii);
*/
bt_printf(tls, "DVM:BT_START:%d:", dvm_bt->count);
for (ii = 0; ii < dvm_bt->count; ii++) {
print_dvm_sym(tls, dvm, ii, dvm_bt->mlist[ii]);
}
/* bt_printf(tls, "DVM:BT_END:"); */
return;
}
static int bt_load_fpga(BT_HANDLE hShell, int argc, char **argv) {
BT_HANDLE hStdout = BT_ShellGetStdout(hShell);
BT_ERROR Error;
if(argc != 4 && argc != 5) {
bt_fprintf(hStdout, "Usage: %s [buffer_address] [fpga_device] [bitstream] [length]\n", argv[0]);
return -1;
}
BT_u32 length = 0;
BT_u32 addr = strtoul(argv[1], NULL, 16);
void *p = (void *) addr;
if(argv[3][0] == '-' && argc == 5) {
// Image loaded and length provided.
length = strtoul(argv[4], NULL, 10);
goto flush;
}
BT_HANDLE hFile = BT_Open(argv[3], BT_GetModeFlags("rb"), &Error);
if(!hFile) {
bt_fprintf(hStdout, "Could not open bitstream at %s\n", argv[3]);
return -1;
}
BT_HANDLE hInode = BT_GetInode(argv[3], &Error);
if(!hInode) {
bt_fprintf(hStdout, "Could not stat bitstream at %s\n", argv[3]);
BT_CloseHandle(hFile);
return -1;
}
BT_INODE oInode;
BT_ReadInode(hInode, &oInode);
BT_kPrint("Loading %s at %08X (%llu bytes)", argv[3], addr, oInode.ullFileSize);
BT_Read(hFile, 0, oInode.ullFileSize, p, &Error);
BT_kPrint("Load successful");
if(hFile) {
BT_CloseHandle(hFile);
}
if(hInode) {
BT_CloseHandle(hInode);
}
length = oInode.ullFileSize;
flush:
BT_DCacheFlush();
BT_HANDLE hFPGA = BT_DeviceOpen(argv[2], &Error);
if(!hFPGA) {
bt_printf("Failed to open fpga device %s\n", argv[2]);
return -1;
}
BT_Write(hFPGA, 0, length, p, &Error);
BT_CloseHandle(hFPGA);
return 0;
}