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Get boot hartid from uboot

This commit is contained in:
songyanguang 2024-12-12 16:56:41 +08:00
parent 254651bcd0
commit 72e3175707
2 changed files with 7 additions and 0 deletions
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5
Ubiquitous/XiZi_AIoT/hardkernel/arch/riscv/rv64gc/preboot_for_jh7110/boot.S
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@ -20,9 +20,11 @@
_boot_start: _boot_start:
mv s0, a0
call _debug_uart_init_early call _debug_uart_init_early
la a0, debug_string_start la a0, debug_string_start
call _debug_uart_printascii call _debug_uart_printascii
mv a0, s0
j _start_kernel j _start_kernel
@ -42,6 +44,9 @@ clear_bss:
blt a3, a4, clear_bss blt a3, a4, clear_bss
clear_bss_done: clear_bss_done:
la a2, boot_cpu_hartid
sd a0, (a2)
la sp, stacks_top la sp, stacks_top
/* Initialize page tables and relocate to virtual addresses */ /* Initialize page tables and relocate to virtual addresses */

2
Ubiquitous/XiZi_AIoT/hardkernel/arch/riscv/rv64gc/preboot_for_jh7110/smp.c
View File

@ -47,6 +47,8 @@ Modification:
*************************************************/ *************************************************/
#include <stdint.h> #include <stdint.h>
unsigned long boot_cpu_hartid;
#define PSCI_CPUON 0xc4000003 #define PSCI_CPUON 0xc4000003
struct xizi_smccc_res { struct xizi_smccc_res {
unsigned long a0; unsigned long a0;