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XScale: help/usage updates 

Provide helptext which was sometimes missing; update some of it
to be more accurate (mostly they display something w/no args).

Usage syntax messages have the same EBNF as the User's Guide.
In some cases, *exactly* what the user's guide shows... e.g.
talking about "offset" not "address" for trace_image.

Don't use "&function"; functions are like arrays, their name
is their address.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
__archive__
David Brownell 2010-01-07 14:51:59 -08:00
parent 991d030fcc
commit 7c3aee96b2
1 changed files with 43 additions and 36 deletions
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79
src/target/xscale.c
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@ -3607,94 +3607,101 @@ COMMAND_HANDLER(xscale_handle_cp15)
static const struct command_registration xscale_exec_command_handlers[] = {
{
.name = "cache_info",
.handler = &xscale_handle_cache_info_command,
.mode = COMMAND_EXEC, NULL,
.handler = xscale_handle_cache_info_command,
.mode = COMMAND_EXEC,
.help = "display information about CPU caches",
},
{
.name = "mmu",
.handler = &xscale_handle_mmu_command,
.handler = xscale_handle_mmu_command,
.mode = COMMAND_EXEC,
.usage = "[enable|disable]",
.help = "enable or disable the MMU",
.usage = "['enable'|'disable']",
},
{
.name = "icache",
.handler = &xscale_handle_idcache_command,
.handler = xscale_handle_idcache_command,
.mode = COMMAND_EXEC,
.usage = "[enable|disable]",
.help = "enable or disable the ICache",
.help = "display ICache state, optionally enabling or "
"disabling it",
.usage = "['enable'|'disable']",
},
{
.name = "dcache",
.handler = &xscale_handle_idcache_command,
.handler = xscale_handle_idcache_command,
.mode = COMMAND_EXEC,
.usage = "[enable|disable]",
.help = "enable or disable the DCache",
.help = "display DCache state, optionally enabling or "
"disabling it",
.usage = "['enable'|'disable']",
},
{
.name = "vector_catch",
.handler = &xscale_handle_vector_catch_command,
.handler = xscale_handle_vector_catch_command,
.mode = COMMAND_EXEC,
.help = "mask of vectors that should be caught",
.usage = "[<mask>]",
.help = "set or display 8-bit mask of vectors "
"that should trigger debug entry",
.usage = "[mask]",
},
{
.name = "vector_table",
.handler = &xscale_handle_vector_table_command,
.handler = xscale_handle_vector_table_command,
.mode = COMMAND_EXEC,
.usage = "<high|low> <index> <code>",
.help = "set static code for exception handler entry",
.help = "set vector table entry in mini-ICache, "
"or display current tables",
.usage = "[('high'|'low') index code]",
},
{
.name = "trace_buffer",
.handler = &xscale_handle_trace_buffer_command,
.handler = xscale_handle_trace_buffer_command,
.mode = COMMAND_EXEC,
.usage = "<enable | disable> [fill [n]|wrap]",
.help = "display trace buffer status, enable or disable "
"tracing, and optionally reconfigure trace mode",
.usage = "['enable'|'disable' ['fill' number|'wrap']]",
},
{
.name = "dump_trace",
.handler = &xscale_handle_dump_trace_command,
.handler = xscale_handle_dump_trace_command,
.mode = COMMAND_EXEC,
.help = "dump content of trace buffer to <file>",
.usage = "<file>",
.help = "dump content of trace buffer to file",
.usage = "filename",
},
{
.name = "analyze_trace",
.handler = &xscale_handle_analyze_trace_buffer_command,
.handler = xscale_handle_analyze_trace_buffer_command,
.mode = COMMAND_EXEC,
.help = "analyze content of trace buffer",
.usage = "",
},
{
.name = "trace_image",
.handler = &xscale_handle_trace_image_command,
COMMAND_EXEC,
.help = "load image from <file> [base address]",
.usage = "<file> [address] [type]",
.handler = xscale_handle_trace_image_command,
.mode = COMMAND_EXEC,
.help = "load image from file to address (default 0)",
.usage = "filename [offset [filetype]]",
},
{
.name = "cp15",
.handler = &xscale_handle_cp15,
.handler = xscale_handle_cp15,
.mode = COMMAND_EXEC,
.help = "access coproc 15",
.usage = "<register> [value]",
.help = "Read or write coprocessor 15 register.",
.usage = "register [value]",
},
COMMAND_REGISTRATION_DONE
};
static const struct command_registration xscale_any_command_handlers[] = {
{
.name = "debug_handler",
.handler = &xscale_handle_debug_handler_command,
.handler = xscale_handle_debug_handler_command,
.mode = COMMAND_ANY,
.usage = "<target#> <address>",
.help = "Change address used for debug handler.",
.usage = "target address",
},
{
.name = "cache_clean_address",
.handler = &xscale_handle_cache_clean_address_command,
.handler = xscale_handle_cache_clean_address_command,
.mode = COMMAND_ANY,
.help = "Change address used for cleaning data cache.",
.usage = "address",
},
{
.chain = xscale_exec_command_handlers,