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opensbi: weekly rls 2024.09.21

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-67d579e, [fix](serial): Round UART8250 baud rate divisor to nearest integer
    -3732ed4, [feat](opensbi):kernel log controled by CONFIG_SKIP_UBOOT_DEBUG while open CONFIG_SKIP_UBOOT
    -e526777, [feat](opensbi): Add debug function in fastboot
This commit is contained in:
sophgo-forum-service
2024-09-23 19:25:42 +08:00
parent 3fd99912a6
commit 12c8046c42
9 changed files with 121 additions and 475 deletions
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20
lib/sbi/sbi_hart.c
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@@ -21,10 +21,19 @@
#include <sbi/sbi_platform.h>
#include <sbi/sbi_string.h>
#include <sbi/sbi_trap.h>
#include <sbi/sbi_timer.h>
extern void __sbi_expected_trap(void);
extern void __sbi_expected_trap_hext(void);
// Frequency of ARM arch timer and RISC-V rdtime
#define SYS_COUNTER_FREQ_IN_SECOND 25000000
#define TIME_RECORDS_ADDR ( 0x0E000000 + 0x10) // 0x0E000010
#define TIME_RECORDS_FIELD_KERNEL_START (TIME_RECORDS_ADDR + 0x16)
#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
void (*sbi_hart_expected_trap)(void) = &__sbi_expected_trap;
struct hart_features {
@@ -469,6 +478,15 @@ void __attribute__((noreturn)) sbi_hart_hang(void)
__builtin_unreachable();
}
int get_time()
{
unsigned long long boot_us = 0;
boot_us = sbi_timer_value() / (SYS_COUNTER_FREQ_IN_SECOND / 1000000 );
return DIV_ROUND_UP(boot_us, 1000);
}
void __attribute__((noreturn))
sbi_hart_switch_mode(unsigned long arg0, unsigned long arg1,
unsigned long next_addr, unsigned long next_mode,
@@ -531,6 +549,8 @@ sbi_hart_switch_mode(unsigned long arg0, unsigned long arg1,
}
}
*(volatile uint16_t*)TIME_RECORDS_FIELD_KERNEL_START = get_time();
register unsigned long a0 asm("a0") = arg0;
register unsigned long a1 asm("a1") = arg1;
__asm__ __volatile__("mret" : : "r"(a0), "r"(a1));