123 lines
2.7 KiB
C
Executable File
123 lines
2.7 KiB
C
Executable File
/*
|
|
* Copyright (c) 2006-2023, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2023/06/25 flyingcys first version
|
|
*/
|
|
#include <rthw.h>
|
|
#include <rtthread.h>
|
|
|
|
#include "board.h"
|
|
|
|
#include "sbi.h"
|
|
|
|
#ifdef RT_USING_SMART
|
|
#include "riscv_mmu.h"
|
|
#include "mmu.h"
|
|
#include "page.h"
|
|
#include "lwp_arch.h"
|
|
|
|
rt_region_t init_page_region = {(rt_size_t)RT_HW_PAGE_START, (rt_size_t)RT_HW_PAGE_END};
|
|
|
|
extern size_t MMUTable[];
|
|
|
|
struct mem_desc platform_mem_desc[] = {
|
|
{KERNEL_VADDR_START, (rt_size_t)RT_HW_PAGE_END - 1, (rt_size_t)ARCH_MAP_FAILED, NORMAL_MEM},
|
|
{0x1000, ((KERNEL_VADDR_START - 1) & 0xfffff000) - 1, (rt_size_t)ARCH_MAP_FAILED, DEVICE_MEM},
|
|
};
|
|
|
|
#define NUM_MEM_DESC (sizeof(platform_mem_desc) / sizeof(platform_mem_desc[0]))
|
|
|
|
#endif /* RT_USING_SMART */
|
|
|
|
void init_bss(void)
|
|
{
|
|
unsigned int *dst;
|
|
|
|
dst = &__bss_start;
|
|
while (dst < &__bss_end)
|
|
{
|
|
*dst++ = 0;
|
|
}
|
|
}
|
|
|
|
static void __rt_assert_handler(const char *ex_string, const char *func, rt_size_t line)
|
|
{
|
|
rt_kprintf("(%s) assertion failed at function:%s, line number:%d \n", ex_string, func, line);
|
|
asm volatile("ebreak" ::
|
|
: "memory");
|
|
}
|
|
|
|
void primary_cpu_entry(void)
|
|
{
|
|
extern void entry(void);
|
|
|
|
/* disable global interrupt */
|
|
rt_hw_interrupt_disable();
|
|
rt_assert_set_hook(__rt_assert_handler);
|
|
|
|
entry();
|
|
}
|
|
|
|
#define IOREMAP_SIZE (1ul << 30)
|
|
|
|
#ifndef ARCH_KERNEL_IN_HIGH_VA
|
|
#define IOREMAP_VEND USER_VADDR_START
|
|
#else
|
|
#define IOREMAP_VEND 0ul
|
|
#endif
|
|
|
|
void rt_hw_board_init(void)
|
|
{
|
|
#ifdef RT_USING_SMART
|
|
/* init data structure */
|
|
rt_hw_mmu_map_init(&rt_kernel_space, (void *)(IOREMAP_VEND - IOREMAP_SIZE), IOREMAP_SIZE, (rt_size_t *)MMUTable, PV_OFFSET);
|
|
|
|
/* init page allocator */
|
|
rt_page_init(init_page_region);
|
|
|
|
/* setup region, and enable MMU */
|
|
rt_hw_mmu_setup(&rt_kernel_space, platform_mem_desc, NUM_MEM_DESC);
|
|
#endif
|
|
|
|
/* initialize memory system */
|
|
#ifdef RT_USING_HEAP
|
|
rt_system_heap_init(RT_HW_HEAP_BEGIN, RT_HW_HEAP_END);
|
|
#endif
|
|
|
|
/* initalize interrupt */
|
|
rt_hw_interrupt_init();
|
|
|
|
/* init rtthread hardware */
|
|
rt_hw_tick_init();
|
|
|
|
#ifdef RT_USING_SERIAL
|
|
rt_hw_uart_init();
|
|
#endif
|
|
|
|
#ifdef RT_USING_CONSOLE
|
|
/* set console device */
|
|
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
|
|
#endif /* RT_USING_CONSOLE */
|
|
|
|
#ifdef RT_USING_COMPONENTS_INIT
|
|
rt_components_board_init();
|
|
#endif
|
|
|
|
#ifdef RT_USING_HEAP
|
|
rt_kprintf("heap: [0x%08x - 0x%08x]\n", (rt_ubase_t)RT_HW_HEAP_BEGIN, (rt_ubase_t)RT_HW_HEAP_END);
|
|
#endif /* RT_USING_HEAP */
|
|
}
|
|
|
|
void rt_hw_cpu_reset(void)
|
|
{
|
|
sbi_shutdown();
|
|
|
|
while (1)
|
|
;
|
|
}
|
|
MSH_CMD_EXPORT_ALIAS(rt_hw_cpu_reset, reboot, reset machine);
|