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Go through run-test/idle once per dbus access.

This commit is contained in:
Tim Newsome 2016-06-04 14:38:15 -07:00
parent 9f22176618
commit f40862d87c
1 changed files with 2 additions and 5 deletions
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7
src/target/riscv/riscv.c
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@ -174,6 +174,7 @@ static dbus_status_t dbus_scan(struct target *target, uint64_t *data_in,
/* Assume dbus is already selected. */ /* Assume dbus is already selected. */
jtag_add_dr_scan(target->tap, 1, &field, TAP_IDLE); jtag_add_dr_scan(target->tap, 1, &field, TAP_IDLE);
jtag_add_runtest(1, TAP_IDLE);
info->dbus_address = address; info->dbus_address = address;
info->dbus_op = op; info->dbus_op = op;
@ -218,15 +219,11 @@ static uint64_t dbus_read(struct target *target, uint16_t address, uint16_t next
if (status != DBUS_STATUS_SUCCESS) { if (status != DBUS_STATUS_SUCCESS) {
LOG_ERROR("dbus_read failed read at 0x%x; status=%d\n", address, status); LOG_ERROR("dbus_read failed read at 0x%x; status=%d\n", address, status);
} }
LOG_DEBUG("address=0x%x, value=0x%01x:%08x", address,
(uint32_t) (value >> 32), (uint32_t) value);
return value; return value;
} }
static void dbus_write(struct target *target, uint16_t address, uint64_t value) static void dbus_write(struct target *target, uint16_t address, uint64_t value)
{ {
LOG_DEBUG("address=0x%x, value=0x%01x:%08x", address,
(uint32_t) (value >> 32), (uint32_t) value);
dbus_status_t status = DBUS_STATUS_BUSY; dbus_status_t status = DBUS_STATUS_BUSY;
while (status == DBUS_STATUS_BUSY) { while (status == DBUS_STATUS_BUSY) {
status = dbus_scan(target, NULL, DBUS_OP_WRITE, address, value); status = dbus_scan(target, NULL, DBUS_OP_WRITE, address, value);
@ -304,7 +301,7 @@ static bits_t read_bits(struct target *target)
} }
// Cycle through addresses, so we have more debug info. // Cycle through addresses, so we have more debug info.
next_address = (next_address + 1) % (info->dramsize + 1); next_address = (next_address + 1) % 8;
bits_t result = { bits_t result = {
.haltnot = get_field(value, DMCONTROL_HALTNOT), .haltnot = get_field(value, DMCONTROL_HALTNOT),