blob: 8d056a8f6f8c9fb6811340130728c7f35ceeec06 [file] [log] [blame]
/*
* Copyright (c) 2022 Intel Corporation
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/device.h>
#include <zephyr/init.h>
#include <zephyr/kernel.h>
#include <zephyr/sys/winstream.h>
#include <zephyr/devicetree.h>
#include <zephyr/cache.h>
#include <adsp_memory.h>
#include <mem_window.h>
struct k_spinlock trace_lock;
static struct sys_winstream *winstream;
void winstream_console_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;
winstream_console_trace_out(&s, 1);
return 0;
}
#if defined(CONFIG_STDOUT_CONSOLE)
extern void __stdout_hook_install(int (*hook)(int));
#else
#define __stdout_hook_install(x) \
do {/* nothing */ \
} while ((0))
#endif
#if defined(CONFIG_PRINTK)
extern void __printk_hook_install(int (*fn)(int));
#else
#define __printk_hook_install(x) \
do {/* nothing */ \
} while ((0))
#endif
static void winstream_console_hook_install(void)
{
__stdout_hook_install(arch_printk_char_out);
__printk_hook_install(arch_printk_char_out);
}
static int winstream_console_init(void)
{
const struct device *dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_console));
if (!device_is_ready(dev)) {
return -ENODEV;
}
const struct mem_win_config *config = dev->config;
void *buf =
sys_cache_uncached_ptr_get((__sparse_force void __sparse_cache *)config->mem_base);
winstream = sys_winstream_init(buf, config->size);
winstream_console_hook_install();
return 0;
}
SYS_INIT(winstream_console_init, PRE_KERNEL_1, CONFIG_CONSOLE_INIT_PRIORITY);