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| author | Steven Stallion <stallion@squareup.com> | 2017-03-26 15:01:56 -0500 |
|---|---|---|
| committer | Matthias Welwarsky <matthias@welwarsky.de> | 2018-10-16 11:58:17 +0100 |
| commit | e72b2601e71f49af10f72c4bb6220ee2061ef173 (patch) | |
| tree | 60976dac9e8e006e8eb4c64bc2b48236d9e3a0a3 /src/jtag/commands.c | |
| parent | e65acd889c61a424c7bd72fdee5d6a3aee1d8504 (diff) | |
| download | riscv-openocd-e72b2601e71f49af10f72c4bb6220ee2061ef173.zip riscv-openocd-e72b2601e71f49af10f72c4bb6220ee2061ef173.tar.gz riscv-openocd-e72b2601e71f49af10f72c4bb6220ee2061ef173.tar.bz2 | |
jtag: make cmd_queue_scan_field_clone public
This patch makes the cmd_queue_scan_field_clone function public. This
permits targets to insert fields without affecting the submitted
scan_field list. This will be used in an upcoming target implementation
that needs to insert additional padding bits.
Change-Id: I8fbd3b9b4e413432471f4f1444048932c8fa189e
Signed-off-by: Steven Stallion <stallion@squareup.com>
Reviewed-on: http://openocd.zylin.com/4082
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
Diffstat (limited to 'src/jtag/commands.c')
| -rw-r--r-- | src/jtag/commands.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/jtag/commands.c b/src/jtag/commands.c index ed40755..e2d22cc 100644 --- a/src/jtag/commands.c +++ b/src/jtag/commands.c @@ -144,6 +144,18 @@ void jtag_command_queue_reset(void) next_command_pointer = &jtag_command_queue; } +/** + * Copy a struct scan_field for insertion into the queue. + * + * This allocates a new copy of out_value using cmd_queue_alloc. + */ +void jtag_scan_field_clone(struct scan_field *dst, const struct scan_field *src) +{ + dst->num_bits = src->num_bits; + dst->out_value = buf_cpy(src->out_value, cmd_queue_alloc(DIV_ROUND_UP(src->num_bits, 8)), src->num_bits); + dst->in_value = src->in_value; +} + enum scan_type jtag_scan_type(const struct scan_command *cmd) { int i; |