gardenia/loader/util.c

46 lines
1.3 KiB
C
Raw Permalink Normal View History

2018-03-26 23:04:16 +00:00
/*
2024-01-14 08:20:28 +00:00
* Copyright (c) 2024 hydrogenium2020-offical
2018-03-26 23:04:16 +00:00
* Copyright (c) 2018 naehrwert
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
2024-01-14 08:20:28 +00:00
#include "t124.h"
#include "timer.h"
2018-03-07 01:11:46 +00:00
#include "types.h"
2024-01-14 08:20:28 +00:00
//1 tick is about 1 us!
void sleep(u32 ticks)
2018-03-07 01:11:46 +00:00
{
2024-01-14 08:20:28 +00:00
u32 start = TIMER0(TIMERUS_CNTR_1US);
while (TIMER0(TIMERUS_CNTR_1US) - start <= ticks)
;
}
// static inline void setbits32(uint32_t bits, void *addr)
// {
// write32(addr, read32(addr) | bits);
// }
// static inline void clrbits32(uint32_t bits, void *addr)
// {
// write32(addr, read32(addr) & ~bits);
// }
// void clrsetbits32(addr, mask, set){
// MMIO_REG32(addr,0)=MMIO_REG32(addr,0) &~(mask) | (value & mask);
// }
// static void writebits(uint32_t value, uint32_t *addr, uint32_t mask)
// {
// clrsetbits32(addr, mask, (value & mask));
// }