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target: Only register mrc mcr commands when one of the targets support them. 

This avoids polluting help for targets that can never support mrc/mcr

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
Øyvind Harboe 2009-10-24 13:24:35 +02:00
parent 1ebdc24494
commit b64503e37f
1 changed files with 11 additions and 3 deletions
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14
src/target/target.c
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@ -816,11 +816,22 @@ int target_init(struct command_context_s *cmd_ctx)
if (target->type->mcr == NULL)
{
target->type->mcr = default_mcr;
} else
{
/* FIX! multiple targets will generally register global commands
* multiple times. Only register this one if *one* of the
* targets need the command. Hmm... make it a command on the
* Jim Tcl target object?
*/
register_jim(cmd_ctx, "mcr", jim_mcrmrc, "write coprocessor <cpnum> <op1> <op2> <CRn> <CRm> <value>");
}
if (target->type->mrc == NULL)
{
target->type->mrc = default_mrc;
} else
{
register_jim(cmd_ctx, "mrc", jim_mcrmrc, "read coprocessor <cpnum> <op1> <op2> <CRn> <CRm>");
}
@ -1660,9 +1671,6 @@ int target_register_user_commands(struct command_context_s *cmd_ctx)
register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing <ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values <ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
register_jim(cmd_ctx, "mrc", jim_mcrmrc, "read coprocessor <cpnum> <op1> <op2> <CRn> <CRm>");
register_jim(cmd_ctx, "mcr", jim_mcrmrc, "write coprocessor <cpnum> <op1> <op2> <CRn> <CRm> <value>");
register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
"same args as load_image, image stored in memory - mainly for profiling purposes");