blob: fff021786dde4448116367b8cd0119a43aa9e1fc [file] [log] [blame]
/* Copyright (c) 2021 Intel Corporation
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/zephyr.h>
#include <soc.h>
#include <cavs-mem.h>
#include <zephyr/sys/winstream.h>
struct k_spinlock trace_lock;
static struct sys_winstream *winstream;
void intel_adsp_trace_out(int8_t *str, size_t len)
{
if (len == 0) {
return;
}
#ifdef CONFIG_ADSP_TRACE_SIMCALL
register int a2 __asm__("a2") = 4; /* SYS_write */
register int a3 __asm__("a3") = 1; /* fd 1 == stdout */
register int a4 __asm__("a4") = (int)str;
register int a5 __asm__("a5") = len;
__asm__ volatile("simcall" : "+r"(a2), "+r"(a3)
: "r"(a4), "r"(a5) : "memory");
#endif
k_spinlock_key_t key = k_spin_lock(&trace_lock);
sys_winstream_write(winstream, str, len);
k_spin_unlock(&trace_lock, key);
}
int arch_printk_char_out(int c)
{
int8_t s = c;
intel_adsp_trace_out(&s, 1);
return 0;
}
void soc_trace_init(void)
{
void *buf = z_soc_uncached_ptr((void *)HP_SRAM_WIN3_BASE);
winstream = sys_winstream_init(buf, HP_SRAM_WIN3_SIZE);
}