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 BT_HANDLE fullfat_mount(BT_HANDLE hFS, BT_HANDLE hVolume, BT_ERROR *pError) {
FF_ERROR ffError;
BT_ERROR Error = BT_ERR_GENERIC;
BT_FF_MOUNT *pMount = (BT_FF_MOUNT *) BT_CreateHandle(&oHandleInterface, sizeof(BT_FF_MOUNT), pError);
if(!pMount) {
return NULL;
}
pMount->pBlockCache = BT_kMalloc(8192);
pMount->hVolume = hVolume;
pMount->pIoman = FF_CreateIOMAN(pMount->pBlockCache, 8192, 512, &ffError);
if(!pMount->pIoman) {
Error = BT_ERR_GENERIC;
goto err_free_out;
}
ffError = FF_RegisterBlkDevice(pMount->pIoman, 512, fullfat_writeblocks, fullfat_readblocks, pMount);
ffError = FF_MountPartition(pMount->pIoman, 0);
return (BT_HANDLE) pMount;
err_free_out:
BT_kFree(pMount->pBlockCache);
BT_DestroyHandle((BT_HANDLE)pMount);
*pError = Error;
return NULL;
}
static BT_HANDLE ext2_opendir(BT_HANDLE hMount, const BT_i8 *szpPath, BT_ERROR *pError) {
if(!hMount) {
if(pError) *pError = BT_ERR_GENERIC;
goto err_out;
}
BT_EXT2_DIR *pDir = (BT_EXT2_DIR *) BT_CreateHandle(&oDirHandleInterface, sizeof(BT_EXT2_DIR), pError);
if(!pDir) {
*pError = BT_ERR_NO_MEMORY;
goto err_out;
}
pDir->pMount = (BT_EXT2_MOUNT *)hMount;
pDir->szpFname = BT_kMalloc(BT_EXT2_FNAME_MAX_STRLEN);
if(!pDir->szpFname) {
*pError = BT_ERR_NO_MEMORY;
goto err_free_out;
}
if(ext2fs_open_dir((char *)szpPath) < 0)
{
if(pError) *pError = BT_ERR_GENERIC;
goto err_free_out;
}
#if 0
if(ext2fs_ls((char *)szpPath) < 0)
{
if(pError) *pError = BT_ERR_GENERIC;
goto err_free_out;
}
#endif
return (BT_HANDLE) pDir;
err_free_out:
if(pDir->szpFname) BT_kFree(pDir->szpFname);
BT_DestroyHandle((BT_HANDLE)pDir);
err_out:
return NULL;
}
void *BT_kRealloc(void *p, BT_u32 ulSize) {
void *n = NULL;
// CRITICAL SECTION
BT_kEnterCritical();
{
if((p) && (ulSize)) {
n = BT_kMalloc(ulSize);
if (n)
{
BT_HEAP_BLOCK * pOld = (BT_HEAP_BLOCK *)p;
pOld--;
pOld->ulSize -= sizeof(BT_HEAP_BLOCK);
if (ulSize > pOld->ulSize)
memcpy(n, p, pOld->ulSize);
else
memcpy(n, p, ulSize);
}
}
else if((p) && (!ulSize)) {
BT_kFree(p);
}
else if((!p) && (ulSize)) {
n = BT_kMalloc(ulSize);
}
}
BT_kExitCritical();
return n;
}
static BT_ERROR ext2_dir_cleanup(BT_HANDLE hDir) {
ext2fs_close_dir();
if(hDir) {
BT_EXT2_DIR *pDir = (BT_EXT2_DIR *)hDir;
if(pDir->szpFname) BT_kFree(pDir->szpFname);
}
return BT_ERR_NONE;
}
static int bt_partition_close(BT_HANDLE hShell, int argc, char **argv) {
if(argc != 1) {
usage_close(hShell);
return -1;
}
if(device_path) {
BT_kFree(device_path);
device_path = NULL;
p_partition_info = NULL;
g_partitions = 0;
} else {
return no_disk(hShell); // Error message for no active disk.
}
return 0;
}
static int fdt_set(BT_HANDLE hShell, int argc, char **argv) {
BT_HANDLE hStdout = BT_ShellGetStdout(hShell);
int retval = 0;
if(argc < 2) {
do_usage(hStdout, argv[0]);
return -1;
}
char *path = argv[0];
char *property = argv[1];
char *data = NULL;
int nodeoffset;
int len = 0;
nodeoffset = fdt_path_offset(g_fdt_addr, path);
if(nodeoffset < 0) {
bt_fprintf(hStdout, "libfdt: fdt_path_offset() returned %s\n", fdt_strerror(nodeoffset));
return -1;
}
if(argc == 3) {
// Parse and allocate data as required.
}
int bAllocated = 0;
retval = fdt_parse_property(hStdout, argv+2, argc-2, &data, &len, &bAllocated);
if(retval < 0) {
bt_fprintf(hStdout, "Error parsing property value string!\n");
goto err_out;
}
fdt_setprop(g_fdt_addr, nodeoffset, property, data, len);
err_out:
if(bAllocated) {
BT_kFree(data);
}
return retval;
}
BT_ERROR BT_ShellScript(const BT_i8 *path) {
BT_ERROR Error;
BT_HANDLE hFile = BT_Open(path, "rb", &Error);
if(!hFile) {
BT_kPrint("Could not open shell script %s\n", path);
return BT_ERR_GENERIC;
}
BT_i8 *line = BT_kMalloc(256);
if(!line) {
BT_CloseHandle(hFile);
return BT_ERR_NO_MEMORY;
}
BT_u32 linelen;
while((linelen = BT_GetS(hFile, 256, line)) > 0) {
BT_i8 *p = line;
while(isspace((int) *p)) {
p++;
}
if(*p == '#') {
continue; // commented line!
}
if(p == (line + linelen)) {
continue;
}
Error = BT_ShellCommand(p);
}
BT_kFree(line);
BT_CloseHandle(hFile);
return BT_ERR_NONE;
}
static int bt_ps(BT_HANDLE hShell, int argc, char **argv) {
BT_HANDLE hStdout = BT_ShellGetStdout(hShell);
BT_u32 i = 0;
struct bt_process_time oTime;
BT_u32 total_processes = BT_GetTotalProcesses();
struct process_time *runtimes = BT_kMalloc(sizeof(struct process_time) * total_processes);
if(!runtimes) {
return -1;
}
BT_u64 runtime = BT_GetGlobalTimer();
for(i = 0; i < total_processes; i++) {
BT_GetProcessTime(&oTime, i);
runtimes[i].ullRuntimeCounter = oTime.ullRunTimeCounter;
}
BT_ThreadSleep(1000);
runtime = BT_GetGlobalTimer() - runtime;
for(i = 0; i < total_processes; i++) {
BT_GetProcessTime(&oTime, i);
runtimes[i].ullRuntimeCounter = oTime.ullRunTimeCounter - runtimes[i].ullRuntimeCounter;
}
for(i = 0; i < total_processes; i++) {
BT_GetProcessTime(&oTime, i);
bt_fprintf(hStdout, "%s : %d%%\n", oTime.name, runtimes[i].ullRuntimeCounter / (runtime / 100));
}
bt_fprintf(hStdout, "Total runtime %d seconds\n", (BT_u32) (BT_GetGlobalTimer() / (BT_u64)BT_GetGlobalTimerRate()));
BT_kFree(runtimes);
return 0;
}
void *BT_kRealloc(void *p, BT_u32 ulSize) {
void *n = NULL;
if((p) && (ulSize)) {
n = BT_kMalloc(ulSize);
if (n)
{
struct MEM_TAG *tag = (struct MEM_TAG *) p;
tag -= 1;
if (ulSize > tag->size)
memcpy(n, p, tag->size);
else
memcpy(n, p, ulSize);
}
}
else if((p) && (!ulSize)) {
BT_kFree(p);
}
else if((!p) && (ulSize)) {
n = BT_kMalloc(ulSize);
}
return n;
}
BT_ERROR BT_DestroyHandle(BT_HANDLE h) {
BT_kFree(h);
return BT_ERR_NONE;
}
static BT_HANDLE timer_probe(const BT_INTEGRATED_DEVICE *pDevice, BT_ERROR *pError) {
BT_ERROR Error = BT_ERR_NONE;
BT_HANDLE hTimer = NULL;
const BT_RESOURCE *pResource = BT_GetIntegratedResource(pDevice, BT_RESOURCE_ENUM, 0);
if(!pResource) {
Error = BT_ERR_NO_MEMORY;
goto err_free_out;
}
if (g_TIMER_HANDLES[pResource->ulStart]){
Error = BT_ERR_GENERIC;
goto err_free_out;
}
hTimer = BT_CreateHandle(&oHandleInterface, sizeof(struct _BT_OPAQUE_HANDLE), pError);
if(!hTimer) {
goto err_out;
}
g_TIMER_HANDLES[pResource->ulStart] = hTimer;
hTimer->pDevice = pDevice;
pResource = BT_GetIntegratedResource(pDevice, BT_RESOURCE_MEM, 0);
if(!pResource) {
Error = BT_ERR_NO_MEMORY;
goto err_free_out;
}
hTimer->pRegs = (LM3Sxx_TIMER_REGS *) pResource->ulStart;
TimerSetPowerState(hTimer, BT_POWER_STATE_AWAKE);
ResetTimer(hTimer);
pResource = BT_GetIntegratedResource(pDevice, BT_RESOURCE_IRQ, 0);
if(!pResource) {
Error = BT_ERR_GENERIC;
goto err_free_out;
}
/* On NVIC we don't need to register interrupts, LINKER has patched vector for us
* Error = BT_RegisterInterrupt(pResource->ulStart, timer_irq_handler, hTimer);
if(Error) {
goto err_free_out;
}*/
Error = BT_EnableInterrupt(pResource->ulStart);
return hTimer;
err_free_out:
BT_kFree(hTimer);
err_out:
if(pError) {
*pError = Error;
}
return NULL;
}
BT_ERROR BT_ShellCommand(char *input) {
BT_u32 ulArguments = 0;
BT_u32 bIsArg = BT_FALSE;
char *copy = BT_kMalloc(strlen(input)+1);
if(!copy) {
return BT_ERR_NO_MEMORY;
}
strcpy(copy, input);
input = copy;
while(isspace((int)*input)) {
input++; // Eat up prefixed whitespace.
}
bIsArg = BT_TRUE;
char *line = input;
while(*input) {
if(bIsArg) {
if(isspace((int)*input)) {
ulArguments += 1;
bIsArg = BT_FALSE;
}
} else {
if(!isspace((int)*input)) {
bIsArg = BT_TRUE;
}
}
input++;
}
if(bIsArg) {
ulArguments += 1;
}
char **pargs = BT_kMalloc(sizeof(char *) * ulArguments);
if(!pargs) {
return BT_ERR_NO_MEMORY;
}
input = line;
while(!*input);
bIsArg = BT_FALSE;
BT_u32 i = 0;
while(*input) {
if(!bIsArg) {
if(!isspace((int)*input)) {
bIsArg = BT_TRUE;
pargs[i++] = input;
}
} else {
if(isspace((int)*input)) {
*input = '\0';
bIsArg = BT_FALSE;
}
}
input++;
}
const BT_SHELL_COMMAND *pCommand = GetShellCommand(pargs[0]);
if(!pCommand) {
BT_kFree(pargs);
BT_kFree(copy);
return BT_ERR_NONE;
}
pCommand->pfnCommand(ulArguments, pargs);
BT_kFree(pargs);
BT_kFree(copy);
return BT_ERR_NONE;
}
void vPortFree(void *p) {
BT_kFree(p);
}
void free(void *p) {
BT_kFree(p);
}
static BT_HANDLE mac_probe(const BT_INTEGRATED_DEVICE *pDevice, BT_ERROR *pError) {
BT_ERROR Error = BT_ERR_NONE;
BT_HANDLE hMAC = NULL;
const BT_RESOURCE *pResource = BT_GetIntegratedResource(pDevice, BT_RESOURCE_ENUM, 0);
if(!pResource) {
Error = BT_ERR_NO_MEMORY;
goto err_free_out;
}
if (g_mac_HANDLES[pResource->ulStart]){
Error = BT_ERR_GENERIC;
goto err_free_out;
}
hMAC = BT_CreateHandle(&oHandleInterface, sizeof(struct _BT_OPAQUE_HANDLE), pError);
if(!hMAC) {
goto err_out;
}
g_mac_HANDLES[pResource->ulStart] = hMAC;
hMAC->pDevice = pDevice;
pResource = BT_GetIntegratedResource(pDevice, BT_RESOURCE_MEM, 0);
if(!pResource) {
Error = BT_ERR_NO_MEMORY;
goto err_free_out;
}
hMAC->pRegs = (LM3Sxx_MAC_REGS *) pResource->ulStart;
macSetPowerState(hMAC, BT_POWER_STATE_AWAKE);
pResource = BT_GetIntegratedResource(pDevice, BT_RESOURCE_IRQ, 0);
if(!pResource) {
Error = BT_ERR_GENERIC;
goto err_free_out;
}
/* On NVIC we don't need to register interrupts, LINKER has patched vector for us
* Error = BT_RegisterInterrupt(pResource->ulStart, mac_irq_handler, hMAC);
if(Error) {
goto err_free_out;
}*/
BT_SetInterruptPriority(pResource->ulStart, ((0x01 << BT_CONFIG_MACH_PRIORITY_BITS)-1));
Error = BT_EnableInterrupt(pResource->ulStart);
Error = BT_RegisterNetworkInterface(hMAC);
return hMAC;
err_free_out:
BT_kFree(hMAC);
err_out:
if(pError) {
*pError = Error;
}
return NULL;
}