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Espresso 0.0.2a

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This commit is contained in:
David Goeke
2025-10-20 21:57:30 -05:00
parent 102d517097
commit ff6cba1164
59 changed files with 29272 additions and 773 deletions
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7
arch/x86/boot/boot.s
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@ -21,7 +21,7 @@ forced to be within the first 8 KiB of the kernel file.
/*
The multiboot standard does not define the value of the stack pointer register
(esp) and it is up to the kernel to provide a stack. This allocates room for a
small stack by creating a symbol at the bottom of it, then allocating 16384
small stack by creating a symbol at the bottom of it, then allocating 65536
bytes for it, and finally creating a symbol at the top. The stack grows
downwards on x86. The stack is in its own section so it can be marked nobits,
which means the kernel file is smaller because it does not contain an
@ -30,10 +30,10 @@ System V ABI standard and de-facto extensions. The compiler will assume the
stack is properly aligned and failure to align the stack will result in
undefined behavior.
*/
.section .bss
.section .stack
.align 16
stack_bottom:
.skip 16384 # 16 KiB
.skip 65536 # 64 KiB
stack_top:
/*
@ -183,7 +183,6 @@ _start:
/*
Call _kernel_early, early low-level initialization will happen there.
NOTE: I don't use 'jmp' because it doesn't work. Nice try.
*/
call _kernel_early