nathan/quark-kernel
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Massive backlog of changes

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ngiddings
2022-06-15 15:59:31 -05:00
parent c962a83ff0
commit a52f06f81e
49 changed files with 1855 additions and 1083 deletions
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14
src/x86/entry.S
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@@ -30,7 +30,7 @@
.set tagEntryType, 3
.set tagEntrySize, 12
.set tagEntryAddress, _start - (0xFF800000 - 0x100000)
.set tagEntryAddress, _entry_paddr
.set tagModuleAlignType, 6
.set tagModuleAlignSize, 8
@@ -150,6 +150,10 @@ _start:
mov $PHYSICAL_BASE, %eax
push %eax
# Push kernel's starting linear address
mov $VIRTUAL_BASE, %eax
push %eax
# Load physical address of startPaging()
mov $start_paging, %eax
sub $BASE_DIFF, %eax
@@ -171,15 +175,15 @@ _start:
# Change EBX to point to the virtual address of the multiboot info
# If the new pointer is out-of-bounds, error
add $0xFF700000, %ebx
cmp $0xFF800000, %ebx
add $BASE_DIFF, %ebx
cmp $VIRTUAL_BASE, %ebx
jl .err
cmp $0xFFC00000, %ebx
jge .err
# Call initialize(void* multibootInfo)
# Call x86_startup(void* multibootInfo)
push %ebx
call initialize
call x86_startup
.err:
cli