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Use physical addresses in boot segments

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This commit is contained in:
Ruihan Li
2024-12-07 23:50:52 +08:00
committed by Tate, Hongliang Tian
parent a3ae1aa28a
commit 18d5eb1f02
4 changed files with 52 additions and 56 deletions
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15
osdk/src/base_crate/x86_64.ld.template
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@ -30,11 +30,11 @@ PHDRS
# segment to prevent this from happening.
header PT_LOAD FLAGS(4); # R__
# Boot segments.
# Boot segments. Addresses are physical.
bsp_boot PT_LOAD FLAGS(7); # RWE
ap_boot PT_LOAD FLAGS(7); # RWE
# Normal segments.
# Normal segments. Addresses are virtual.
text PT_LOAD FLAGS(5); # R_E
rodata PT_LOAD FLAGS(4); # R__
data PT_LOAD FLAGS(6); # RW_
@ -57,22 +57,21 @@ SECTIONS
} : header
# --------------------------------------------------------------------------- #
# These are 2 boot sections that need specific physical addresses. But they #
# should use virtual symbols. #
# These are 2 boot sections that need specific physical addresses. #
# --------------------------------------------------------------------------- #
. = BSP_BOOT_LMA + KERNEL_VMA;
. = BSP_BOOT_LMA;
.bsp_boot : AT(BSP_BOOT_LMA) {
KEEP(*(.bsp_boot .bsp_boot.*))
. = ALIGN(4096);
} : bsp_boot
. = AP_EXEC_MA + KERNEL_VMA;
. = AP_EXEC_MA;
.ap_boot : AT(BSP_BOOT_LMA + SIZEOF(.bsp_boot)) {
__ap_boot_start = . - AP_EXEC_MA + BSP_BOOT_LMA + SIZEOF(.bsp_boot);
__ap_boot_start = BSP_BOOT_LMA + SIZEOF(.bsp_boot) + KERNEL_VMA;
KEEP(*(.ap_boot .ap_boot.*))
__ap_boot_end = . - AP_EXEC_MA + BSP_BOOT_LMA + SIZEOF(.bsp_boot);
__ap_boot_end = __ap_boot_start + (. - AP_EXEC_MA);
. = ALIGN(4096);
} : ap_boot