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Modify boot.S

This commit is contained in:
songyanguang 2025-01-21 15:21:09 +08:00
parent 861795f8bd
commit 32977dd301
4 changed files with 14 additions and 86 deletions
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4
Ubiquitous/XiZi_AIoT/hardkernel/arch/riscv/rv64gc/core.h
View File

@ -226,10 +226,10 @@ __attribute__((__always_inline__)) static inline void arch_set_return(struct tra
// TODO: refer to jh7110 Linux
struct thread_info {
unsigned long flags; /* low level flags */
int preempt_count; /* 0=>preemptible, <0=>BUG */
long preempt_count; /* 0=>preemptible, <0=>BUG */
long kernel_sp; /* Kernel stack pointer */
long user_sp; /* User stack pointer */
int cpu;
long cpu;
};

6
Ubiquitous/XiZi_AIoT/hardkernel/arch/riscv/rv64gc/preboot_for_jh7110/boot.S
View File

@ -11,7 +11,6 @@
*/
#include <asm/csr.h>
#include "core.h"
#include "memlayout.h"
@ -61,8 +60,7 @@ clear_bss_done:
/* Restore C environment */
la tp, init_thread_info
sw zero, TASK_TI_CPU(tp)
la sp, init_thread_union + THREAD_SIZE
sw zero, 32(tp)
/* Start the kernel */
tail bootmain
@ -70,7 +68,7 @@ clear_bss_done:
relocate_enable_mmu:
/* Relocate return address */
la a1, kernel_map
ld a1, KERNEL_MAP_VIRT_ADDR(a1)
ld a1, 0(a1)
la a2, _start
sub a1, a1, a2
add ra, ra, a1

30
Ubiquitous/XiZi_AIoT/hardkernel/arch/riscv/rv64gc/preboot_for_jh7110/jh7110.lds
View File

@ -39,7 +39,6 @@
OUTPUT_ARCH(riscv)
OUTPUT_FORMAT("elf64-littleriscv", "elf64-littleriscv", "elf64-littleriscv")
/* ENTRY(_start) */
ENTRY( _boot_start )
MEMORY {
@ -85,27 +84,15 @@ SECTIONS
PROVIDE(boot_end_addr = .);
}
. = ALIGN(0x1000);
.text : {
. = ALIGN(0x1000);
*(.text .text.*)
}
. = ALIGN(0x1000);
.data : {
. = ALIGN(16);
*(.sdata .sdata.*)
. = ALIGN(16);
. = ALIGN(0x1000);
*(.data .data.*)
__start_init_task = .;
init_thread_union = .;
init_stack = .;
KEEP(*(.data..init_task))
KEEP(*(.data..init_thread_info))
. = __start_init_task + ((1 << (12)) << (2));
__end_init_task = .;
. = ALIGN(0x1000);
PROVIDE(_binary_fs_img_start = .);
*(.rawdata_fs_img*)
@ -122,11 +109,14 @@ SECTIONS
PROVIDE(__init_array_end = .);
}
.sdata : {
. = ALIGN(0x1000);
_image_size = . - _start;
__global_pointer$ = . + 0x800;
*(.sdata*)
}
. = ALIGN(0x1000);
.bss : {
. = ALIGN(0x1000);
PROVIDE(kernel_data_begin = .);
PROVIDE(__bss_start = .);
*(.bss .bss.* COMMON)
@ -136,11 +126,9 @@ SECTIONS
__bss_stop = .;
}
. = ALIGN((1 << 21));
.sdata : {
__global_pointer$ = . + 0x800;
*(.sdata*)
}
. = ALIGN(0x1000);
_image_size = . - _start;
. = ALIGN((1 << 21));
_edata = .;
_end = .;

58
Ubiquitous/XiZi_AIoT/services/boards/jh7110/jh7110_user.lds
View File

@ -86,61 +86,3 @@ SECTIONS
_end = .;
PROVIDE(end = .);
}
/*
SECTIONS
{
_start = .;
_boot_start = .;
. = ALIGN(0x1000);
.text : {
. = ALIGN(0x1000);
*(.text .text.*)
}
. = ALIGN(0x1000);
.data : {
. = ALIGN(16);
*(.sdata .sdata.*)
. = ALIGN(16);
*(.data .data.*)
__start_init_task = .;
init_thread_union = .;
init_stack = .;
KEEP(*(.data..init_task))
KEEP(*(.data..init_thread_info))
. = __start_init_task + ((1 << (12)) << (2));
__end_init_task = .;
PROVIDE(__init_array_start = .);
PROVIDE(__init_array_end = .);
}
. = ALIGN(0x1000);
_image_size = . - _start;
. = ALIGN(0x1000);
.bss : {
PROVIDE(kernel_data_begin = .);
PROVIDE(__bss_start = .);
*(.bss .bss.* COMMON)
. = ALIGN(0x1000);
PROVIDE(__bss_end = .);
PROVIDE(kernel_data_end = .);
__bss_stop = .;
}
. = ALIGN((1 << 21));
.sdata : {
__global_pointer$ = . + 0x800;
*(.sdata*)
}
. = ALIGN((1 << 21));
_edata = .;
_end = .;
PROVIDE(end = .);
}
*/