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/*
* Copyright © 2016 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <ao.h>
#include <ao_lisp.h>
#include <ao_flash.h>
extern uint8_t __flash__[] __attribute__((aligned(4)));
/* saved variables to rebuild the heap
ao_lisp_atoms
ao_lisp_frame_global
*/
int
ao_lisp_os_save(void)
{
int i;
for (i = 0; i < AO_LISP_POOL_TOTAL; i += 256) {
uint32_t *dst = (uint32_t *) (void *) &__flash__[i];
uint32_t *src = (uint32_t *) (void *) &ao_lisp_pool[i];
ao_flash_page(dst, src);
}
return 1;
}
int
ao_lisp_os_restore_save(struct ao_lisp_os_save *save, int offset)
{
memcpy(save, &__flash__[offset], sizeof (struct ao_lisp_os_save));
return 1;
}
int
ao_lisp_os_restore(void)
{
memcpy(ao_lisp_pool, __flash__, AO_LISP_POOL_TOTAL);
return 1;
}
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