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Removal of NASM support and migration of .asm files to .s

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Alex
2023-08-11 04:57:32 +03:00
parent 0dc4593625
commit ef3b761d4f
24 changed files with 868 additions and 1053 deletions
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35
Architecture/amd64/Bootstrap/Multiboot/2/GDT64.s
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@@ -15,49 +15,48 @@
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
.intel_syntax noprefix
.code64
.section .bootstrap.data
/* Access bits */
.equ A, 1 << 0
.equ RW, 1 << 1
.equ DC, 1 << 2
.equ E, 1 << 3
.equ S, 1 << 4
.equ DPL0, 0 << 5
.equ DPL1, 1 << 5
.equ P, 1 << 7
A = 0x1
RW = 0x2
DC = 0x4
E = 0x8
S = 0x10
DPL0 = 0x0 /* 0 << 5 ???? */
DPL1 = 0x20
P = 0x80
/* Flags bits */
.equ LONG_MODE, 1 << 5
.equ SZ_32, 1 << 6
.equ GRAN_4K, 1 << 7
LONG_MODE = 0x20
SZ_32 = 0x40
GRAN_4K = 0x80
.global GDT64.Null
.global GDT64.Code
.global GDT64.Data
.global GDT64.Tss
.global GDT64.Ptr
GDT64:
.equ GDT64.Null, $ - GDT64
GDT64.Null = . - GDT64
.quad 0
.equ GDT64.Code, $ - GDT64
GDT64.Code = . - GDT64
.long 0xFFFF
.byte 0
.byte P | S | E | RW
.byte GRAN_4K | LONG_MODE | 0xF
.byte 0
.equ GDT64.Data, $ - GDT64
GDT64.Data = . - GDT64
.long 0xFFFF
.byte 0
.byte P | S | RW
.byte GRAN_4K | SZ_32 | 0xF
.byte 0
.equ GDT64.Tss, $ - GDT64
GDT64.Tss = . - GDT64
.long 0x00000068
.long 0x00CF8900
GDT64.Ptr:
.word $ - GDT64 - 1
.word . - GDT64 - 1
.quad GDT64