Mark
35 lines
640 B
ArmAsm
35 lines
640 B
ArmAsm
#include <config.h>
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// For loader magic
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#include <yboot2-proto/include/protocol.h>
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.section .text
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.global _entry_yboot
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.type _entry_yboot, %function
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_entry_yboot:
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cli
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leaq yboot_data(%rip), %rdi
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// Validate loader signature
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movq 8(%rdi), %rax
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movabsq $YB_LOADER_MAGIC_V1, %rsi
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cmp %rax, %rsi
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jne _bad_loader_magic
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// Setup upper paging
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leaq 1f(%rip), %rbp
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leaq boot_prepare_paging_64(%rip), %rdi
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jmp *%rdi
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1:
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movq %rax, %cr3
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// Boot method 1
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mov $1, %rdi
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jmp kernel_pre_entry
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_bad_loader_magic:
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cli
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hlt
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jmp _bad_loader_magic
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.size _entry_yboot, . - _entry_yboot
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