Commit 175867ea authored by zwelch's avatar zwelch
Browse files

Encapsulate the jtag_trst and jtag_srst variables:

- Add accessor functions to return their value.
- Use new SRST accessor in cortex_m3.c and mips_m4k.c


git-svn-id: svn://svn.berlios.de/openocd/trunk@2157 b42882b7-edfa-0310-969c-e2dbd0fdcd60
parent 92a102c2
......@@ -63,8 +63,8 @@ const Jim_Nvp nvp_jtag_tap_event[] = {
{ .name = NULL, .value = -1 }
};
int jtag_trst = 0;
int jtag_srst = 0;
static int jtag_trst = 0;
static int jtag_srst = 0;
/**
* List all TAPs that have been created.
......@@ -1250,6 +1250,15 @@ int jtag_add_statemove(tap_state_t goal_state)
return ERROR_OK;
}
int jtag_get_trst(void)
{
return jtag_trst;
}
int jtag_get_srst(void)
{
return jtag_srst;
}
void jtag_set_nsrst_delay(unsigned delay)
{
jtag_nsrst_delay = delay;
......
......@@ -243,8 +243,10 @@ struct jtag_tap_event_action_s
jtag_tap_event_action_t* next;
};
extern int jtag_trst;
extern int jtag_srst;
/// @returns The current state of TRST.
int jtag_get_trst(void);
/// @returns The current state of SRST.
int jtag_get_srst(void);
typedef struct jtag_event_callback_s
{
......
......@@ -544,7 +544,7 @@ int cortex_m3_halt(target_t *target)
if (target->state == TARGET_RESET)
{
if ((jtag_reset_config & RESET_SRST_PULLS_TRST) && jtag_srst)
if ((jtag_reset_config & RESET_SRST_PULLS_TRST) && jtag_get_srst())
{
LOG_ERROR("can't request a halt while in reset if nSRST pulls nTRST");
return ERROR_TARGET_FAILURE;
......
......@@ -235,7 +235,7 @@ int mips_m4k_halt(struct target_s *target)
if (target->state == TARGET_RESET)
{
if ((jtag_reset_config & RESET_SRST_PULLS_TRST) && jtag_srst)
if ((jtag_reset_config & RESET_SRST_PULLS_TRST) && jtag_get_srst())
{
LOG_ERROR("can't request a halt while in reset if nSRST pulls nTRST");
return ERROR_TARGET_FAILURE;
......
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