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Commit 7128c73a authored by Bernhard Nortmann's avatar Bernhard Nortmann
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fel: Support "-h" and "--help" options 



Closes #96
Signed-off-by: default avatarBernhard Nortmann <bernhard.nortmann@web.de>
parent 3eb76358
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fel.c
View file @ 7128c73a
......@@ -970,6 +970,52 @@ static void select_by_sid(const char *sid_arg, int *busnum, int *devnum)
free(list);
}
void usage(const char *cmd) {
puts("sunxi-fel " VERSION "\n");
printf("Usage: %s [options] command arguments... [command...]\n"
" -h, --help Print this usage summary and exit\n"
" -v, --verbose Verbose logging\n"
" -p, --progress \"write\" transfers show a progress bar\n"
" -l, --list Enumerate all (USB) FEL devices and exit\n"
" -d, --dev bus:devnum Use specific USB bus and device number\n"
" --sid SID Select device by SID key (exact match)\n"
"\n"
" spl file Load and execute U-Boot SPL\n"
" If file additionally contains a main U-Boot binary\n"
" (u-boot-sunxi-with-spl.bin), this command also transfers that\n"
" to memory (default address from image), but won't execute it.\n"
"\n"
" uboot file-with-spl like \"spl\", but actually starts U-Boot\n"
" U-Boot execution will take place when the fel utility exits.\n"
" This allows combining \"uboot\" with further \"write\" commands\n"
" (to transfer other files needed for the boot).\n"
"\n"
" hex[dump] address length Dumps memory region in hex\n"
" dump address length Binary memory dump\n"
" exe[cute] address Call function address\n"
" reset64 address RMR request for AArch64 warm boot\n"
" memmove dest source size Copy <size> bytes within device memory\n"
" readl address Read 32-bit value from device memory\n"
" writel address value Write 32-bit value to device memory\n"
" read address length file Write memory contents into file\n"
" write address file Store file contents into memory\n"
" write-with-progress addr file \"write\" with progress bar\n"
" write-with-gauge addr file Output progress for \"dialog --gauge\"\n"
" write-with-xgauge addr file Extended gauge output (updates prompt)\n"
" multi[write] # addr file ... \"write-with-progress\" multiple files,\n"
" sharing a common progress status\n"
" multi[write]-with-gauge ... like their \"write-with-*\" counterpart,\n"
" multi[write]-with-xgauge ... but following the 'multi' syntax:\n"
" <#> addr file [addr file [...]]\n"
" echo-gauge \"some text\" Update prompt/caption for gauge output\n"
" ver[sion] Show BROM version\n"
" sid Retrieve and output 128-bit SID key\n"
" clear address length Clear memory\n"
" fill address length value Fill memory\n"
, cmd);
exit(0);
}
int main(int argc, char **argv)
{
bool uboot_autostart = false; /* flag for "uboot" command = U-Boot autostart */
......@@ -979,55 +1025,14 @@ int main(int argc, char **argv)
int busnum = -1, devnum = -1;
char *sid_arg = NULL;
if (argc <= 1) {
puts("sunxi-fel " VERSION "\n");
printf("Usage: %s [options] command arguments... [command...]\n"
" -v, --verbose Verbose logging\n"
" -p, --progress \"write\" transfers show a progress bar\n"
" -l, --list Enumerate all (USB) FEL devices and exit\n"
" -d, --dev bus:devnum Use specific USB bus and device number\n"
" --sid SID Select device by SID key (exact match)\n"
"\n"
" spl file Load and execute U-Boot SPL\n"
" If file additionally contains a main U-Boot binary\n"
" (u-boot-sunxi-with-spl.bin), this command also transfers that\n"
" to memory (default address from image), but won't execute it.\n"
"\n"
" uboot file-with-spl like \"spl\", but actually starts U-Boot\n"
" U-Boot execution will take place when the fel utility exits.\n"
" This allows combining \"uboot\" with further \"write\" commands\n"
" (to transfer other files needed for the boot).\n"
"\n"
" hex[dump] address length Dumps memory region in hex\n"
" dump address length Binary memory dump\n"
" exe[cute] address Call function address\n"
" reset64 address RMR request for AArch64 warm boot\n"
" memmove dest source size Copy <size> bytes within device memory\n"
" readl address Read 32-bit value from device memory\n"
" writel address value Write 32-bit value to device memory\n"
" read address length file Write memory contents into file\n"
" write address file Store file contents into memory\n"
" write-with-progress addr file \"write\" with progress bar\n"
" write-with-gauge addr file Output progress for \"dialog --gauge\"\n"
" write-with-xgauge addr file Extended gauge output (updates prompt)\n"
" multi[write] # addr file ... \"write-with-progress\" multiple files,\n"
" sharing a common progress status\n"
" multi[write]-with-gauge ... like their \"write-with-*\" counterpart,\n"
" multi[write]-with-xgauge ... but following the 'multi' syntax:\n"
" <#> addr file [addr file [...]]\n"
" echo-gauge \"some text\" Update prompt/caption for gauge output\n"
" ver[sion] Show BROM version\n"
" sid Retrieve and output 128-bit SID key\n"
" clear address length Clear memory\n"
" fill address length value Fill memory\n"
, argv[0]
);
exit(0);
}
if (argc <= 1)
usage(argv[0]);
/* process all "prefix"-type arguments first */
while (argc > 1) {
if (strcmp(argv[1], "--verbose") == 0 || strcmp(argv[1], "-v") == 0)
if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0)
usage(argv[0]);
else if (strcmp(argv[1], "--verbose") == 0 || strcmp(argv[1], "-v") == 0)
verbose = true;
else if (strcmp(argv[1], "--progress") == 0 || strcmp(argv[1], "-p") == 0)
pflag_active = true;
......
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