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sandbox: Add a way to reset sandbox state for tests

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Running a new test should reset the sandbox state to avoid tests
interferring with each other. Move the existing state-reset code into a
function so it can be used from tests.

Also update the code to reset the SPI devices and adjust the test code to
call it.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2017-05-18 20:09:13 -06:00
parent a40cc8e123
commit 34b744beb8
3 changed files with 19 additions and 4 deletions
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15
arch/sandbox/cpu/state.c
View file

@ -351,6 +351,16 @@ bool state_get_skip_delays(void)
return state->skip_delays;
}
void state_reset_for_test(struct sandbox_state *state)
{
/* No reset yet, so mark it as such. Always allow power reset */
state->last_sysreset = SYSRESET_COUNT;
state->sysreset_allowed[SYSRESET_POWER] = true;
memset(&state->wdt, '\0', sizeof(state->wdt));
memset(state->spi, '\0', sizeof(state->spi));
}
int state_init(void)
{
state = &main_state;
@ -359,10 +369,7 @@ int state_init(void)
state->ram_buf = os_malloc(state->ram_size);
assert(state->ram_buf);
/* No reset yet, so mark it as such. Always allow power reset */
state->last_sysreset = SYSRESET_COUNT;
state->sysreset_allowed[SYSRESET_POWER] = true;
state_reset_for_test(state);
/*
* Example of how to use GPIOs:
*

7
arch/sandbox/include/asm/state.h
View file

@ -213,6 +213,13 @@ void state_set_skip_delays(bool skip_delays);
*/
bool state_get_skip_delays(void);
/**
* state_reset_for_test() - Reset ready to re-run tests
*
* This clears out any test state ready for another test run.
*/
void state_reset_for_test(struct sandbox_state *state);
/**
* Initialize the test system state
*/

1
test/dm/test-main.c
View file

@ -29,6 +29,7 @@ static int dm_test_init(struct unit_test_state *uts)
memset(dms, '\0', sizeof(*dms));
gd->dm_root = NULL;
memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
state_reset_for_test(state_get_current());
ut_assertok(dm_init(false));
dms->root = dm_root();