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-rw-r--r--arch/i686/boot.S89
-rw-r--r--arch/i686/gdt.c20
-rw-r--r--arch/i686/include/gdt.h55
-rw-r--r--arch/i686/include/idt.h18
-rw-r--r--arch/i686/include/paging.h59
-rw-r--r--arch/i686/include/sys/control.h9
-rw-r--r--arch/i686/include/sys/cpuid.h35
-rw-r--r--arch/i686/include/sys/io.h79
-rw-r--r--arch/i686/init.s42
-rw-r--r--arch/i686/lgdt.c35
-rw-r--r--arch/i686/lidt.c46
-rw-r--r--arch/i686/linker.ld54
-rw-r--r--arch/i686/macros.s25
-rw-r--r--arch/i686/meson.build9
-rw-r--r--arch/i686/test/gdt.c20
-rw-r--r--arch/i686/toolchain.ini18
16 files changed, 0 insertions, 613 deletions
diff --git a/arch/i686/boot.S b/arch/i686/boot.S
deleted file mode 100644
index 1eea9a3..0000000
--- a/arch/i686/boot.S
+++ /dev/null
@@ -1,89 +0,0 @@
-#define ASM_FILE
-#include <multiboot2.h>
-#include "macros.s"
-
-/* Declare a multiboot header that marks this program as a kernel */
-.section .multiboot.header, "a"
-header_begin:
-.align 8
- .int MULTIBOOT2_HEADER_MAGIC
- .int MULTIBOOT_ARCHITECTURE_I386
- .int header_end - header_begin
- .int -(MULTIBOOT2_HEADER_MAGIC + MULTIBOOT_ARCHITECTURE_I386 + (header_end - header_begin))
-
-.align 8
-header_info_begin:
- .short MULTIBOOT_HEADER_TAG_INFORMATION_REQUEST
- .short 0 # flags
- .int header_info_end - header_info_begin
- .int MULTIBOOT_TAG_TYPE_MMAP
-header_info_end:
-
-.align 8
- .short MULTIBOOT_HEADER_TAG_END
- .short 0
- .int 8
-header_end:
-
-.section .multiboot.pages, "aw", @nobits
-.align 4096
-bootstrap_page0:
- .skip 1024 * 4
-
-.section .multiboot.text, "ax"
-.extern k_pagedir
-.extern k_stack
-.extern k_init
-
-#.global __vaddr_base
-#.set __vaddr_base, 0xc0000000
-#.global __vaddr_offset
-.set __vaddr_offset, 0xc0000000 - 0x2000
-
-.global _start
-.type _start, @function
-_start:
- cli
-
- # check multiboot header
- cmp $MULTIBOOT2_BOOTLOADER_MAGIC, %eax
- jz c
- hlt
-
-c: mov $k_stack - __vaddr_offset, %esp
-
- push %ebx # pointer to multiboot structure
- call __multiboot2
-
- # mmap multiboot section into bootstrap page
- movl $bootstrap_page0, %edi
- movl $1024, %ecx
- mmap_section __multiboot_begin, __multiboot_end, PAGE_RW
- mmap_section (__text_begin - __vaddr_offset), (__text_end - __vaddr_offset), PAGE_RO
- mmap_section (__rodata_begin - __vaddr_offset), (__rodata_end - __vaddr_offset), PAGE_RO
- mmap_section (__bss_begin - __vaddr_offset), (__bss_end - __vaddr_offset), PAGE_RW
- mmap_section (__data_begin - __vaddr_offset), (__data_end - __vaddr_offset), PAGE_RW
-
- # mmap all the other section into k_ptable0x300
- movl $(k_ptable0x300 - __vaddr_offset), %edi
- movl $1024, %ecx
- mmap_section (__text_begin - __vaddr_offset), (__text_end - __vaddr_offset), PAGE_RO
- mmap_section (__rodata_begin - __vaddr_offset), (__rodata_end - __vaddr_offset), PAGE_RO
- mmap_section (__bss_begin - __vaddr_offset), (__bss_end - __vaddr_offset), PAGE_RW
- mmap_section (__data_begin - __vaddr_offset), (__data_end - __vaddr_offset), PAGE_RW
-
- movl $(bootstrap_page0 + PAGE_RW), k_pagedir - __vaddr_offset + 0 * 4
- movl $(k_ptable0x300 - __vaddr_offset + PAGE_RW), k_pagedir - __vaddr_offset + 768 * 4
-
- movl $(k_pagedir - __vaddr_offset), %ecx
- movl %ecx, %cr3
-
- # enable paging and the write-protect bit
- movl %cr0, %ecx
- orl $0x80010000, %ecx
- movl %ecx, %cr0
-
- # jump to higher half with an absolute jump
- lea (k_init), %ecx
- jmp *%ecx
-
diff --git a/arch/i686/gdt.c b/arch/i686/gdt.c
deleted file mode 100644
index fe0bfc9..0000000
--- a/arch/i686/gdt.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <gdt.h>
-
-void
-SegmentDescriptor(struct SegmentDescriptor_t *self, unsigned base, unsigned limit, uint8_t access)
-{
- self->base_15_0 = base & 0xffff;
- self->base_23_16 = (base >> 16) & 0xff;
- self->base_31_24 = (base >> 24) & 0xff;
-
- self->limit_15_0 = (limit <= 0xffff) ? (limit & 0xffff) : ((limit >> 12) & 0xffff);
- self->limit_19_16 = (limit <= 0xffff) ? 0 : ((limit >> 28) & 0xf);
-
- self->access = access;
-
- self->a = 0;
- self->rsv = 0;
- self->db = (limit > 0xffff) ? 1 : 0;
- self->granularity = (limit > 0) ? 1 : 0;
-}
-
diff --git a/arch/i686/include/gdt.h b/arch/i686/include/gdt.h
deleted file mode 100644
index 9148c3d..0000000
--- a/arch/i686/include/gdt.h
+++ /dev/null
@@ -1,55 +0,0 @@
-#pragma once
-
-#include <stdbool.h>
-#include <stdint.h>
-
-enum Ring { Ring0 = 0x0, Ring1 = 0x1, Ring2 = 0x2, Ring3 = 0x3 };
-
-struct __attribute__((packed)) Access {
- bool accessed : 1; // if 0, is set by processor when accessed
- bool readwrite : 1; // code seg: read toggle; data seg: write toggle
- bool direction : 1; // code seg: conforming bit; data seg: direction bit
- bool executable : 1; // executable bit
- bool segment : 1; // true for code/data; false for gates/tss
- enum Ring privilege : 2; // descriptor privilege level
- bool present : 1; // true for every active segment
-};
-_Static_assert(sizeof(struct Access) == 1);
-
-static const struct Access null_access = {};
-static const struct Access ktext_access = {.readwrite = true, .executable = true, .segment = true, .present = true};
-static const struct Access kdata_access = {.readwrite = true, .segment = true, .present = true};
-
-// Segment Descriptor
-// A memory structure (part of a table) that tells the CPU the attributes of a given segment
-// |31| | | | | | |24|23|22|21|20|19| | |16|15| | | | | | | 8| 7| | | | | | | 0|
-// | base_31_24 | G|DB| | A| lim_19_16 | access | base_23_16 |
-// | base_15_0 | limit_15_0 |
-// |31| | | | | | | | | | | | | | |16|15| | | | | | | | | | | | | | | 0|
-// limit size of segment - 1, either in bytes or in 4KiB chunks (check flags)
-// base address of segment
-// access
-// flags defines the segment chunks and 16/32 bit
-struct __attribute__((packed)) SegmentDescriptor_t {
- uint16_t limit_15_0; // low bits of segment limit
- uint16_t base_15_0; // low bits of segment base address
- uint8_t base_23_16; // middle bits of segment base address
- uint8_t access; // access byte
- uint8_t limit_19_16 : 4; // high bits of segment limit
- // flags
- bool a : 1; // unused, available for software use
- bool rsv : 1; // reserved
- bool db : 1; // false => 16-bit seg; true => 32-bit seg
- bool granularity : 1; // limit scaled by 4k when set
- uint8_t base_31_24; // high bits of segment address
-};
-_Static_assert(sizeof(struct SegmentDescriptor_t) == 8);
-
-void SegmentDescriptor(struct SegmentDescriptor_t *self, unsigned base, unsigned limit, uint8_t access);
-
-void gdt_install();
-
-enum SegmentIndex {
- ktextDescriptor = 2 * sizeof(struct SegmentDescriptor_t),
- kdataDescriptor = 3 * sizeof(struct SegmentDescriptor_t),
-};
diff --git a/arch/i686/include/idt.h b/arch/i686/include/idt.h
deleted file mode 100644
index 22dc6de..0000000
--- a/arch/i686/include/idt.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#pragma once
-
-#include <stdint.h>
-
-struct interrupt_frame {
- uint32_t ip;
- uint32_t cs;
- uint32_t flags;
- uint32_t sp;
- uint32_t ss;
-};
-
-void abort_handler(struct interrupt_frame *frame);
-void interrupt_handler(struct interrupt_frame *frame);
-void interrupt_handler_e(struct interrupt_frame *frame, uint32_t error);
-void syscall_handler(struct interrupt_frame *frame);
-
-void idt_install();
diff --git a/arch/i686/include/paging.h b/arch/i686/include/paging.h
deleted file mode 100644
index cff0506..0000000
--- a/arch/i686/include/paging.h
+++ /dev/null
@@ -1,59 +0,0 @@
-#pragma once
-
-// DirectoryEntry
-// |31| | | | | | | | | | | | | | | | | | | |11| | 9| 8| 7| 6| 5| 4| 3| 2| 1| 0|
-// | page table 4-kb aligned address | avail | G| S| | A| C| W| U| R| P|
-struct __attribute__((packed)) DirectoryEntry {
- unsigned present : 1; // 0: if set, the page is actually in physical memory
- unsigned writeable : 1; // 1: if set, the page is read/write; otherwise the page is read-only
- unsigned user : 1; // 2: if set, then page can be access by all; otherwise only the supervisor can access it
- unsigned writethrough : 1; // 3: if set, write-through caching is enabled; otherwise write-back is enabled instead
- unsigned cachedisable : 1; // 4: if set, the page will not be cached
- unsigned accessed : 1; // 5: set by the CPU when the page is read from or written to
- unsigned dirty : 1; // 6: used to determine whether a page has been written to
- unsigned pagesize : 1; // 7: page size == 0
- unsigned global : 1;
- unsigned int __available__ : 3; // available to the OS
- unsigned int address : 20;
-};
-_Static_assert(sizeof(struct DirectoryEntry) == 4);
-
-// DirectoryEntry4MB
-// |31| | | | | | | | |22|21|20| | | | | | |13|12|11| | 9| 8| 7| 6| 5| 4| 3| 2| 1| 0|
-// | bits 31-22 of address |RS| bits 39-22 of |AT| avail | G|PS| D| A|CD|WT|US|RW| P|
-// | |VD| address
-struct __attribute__((packed)) DirectoryEntry4MB {
- unsigned present : 1; // 0: if set, the page is actually in physical memory
- unsigned writeable : 1; // 1: if set, the page is read/write; otherwise the page is read-only
- unsigned useraccess : 1; // 2: if set, then page can be access by all; otherwise only the supervisor can access it
- unsigned writethrough : 1; // 3: if set, write-through caching is enabled; otherwise write-back is enabled instead
- unsigned cachedisable : 1; // 4: if set, the page will not be cached
- unsigned accessed : 1; // 5: set by the CPU when the page is read from or written to
- unsigned dirty : 1; // 6: used to determine whether a page has been written to
- unsigned pagesize : 1; // 7: page size == 1
- unsigned global : 1; // 8:
- unsigned __available__ : 3; // 11..9 available to the OS
- unsigned pat : 1; // 12: page attribute table
- unsigned int address_high : 8;
- unsigned rsvd : 1; // 21
- unsigned int address_low : 10;
-};
-_Static_assert(sizeof(struct DirectoryEntry4MB) == 4);
-
-// TableEntry
-// |31| | | | | | | | | | | | | | | | | | | |11| | 9| 8| 7| 6| 5| 4| 3| 2| 1| 0|
-// | page table 4-kb aligned address | avail | G| | D| A| C| W|US|RW| P|
-struct __attribute__((packed)) TableEntry {
- unsigned present : 1; // if set, the page is actually in physical memory
- unsigned writeable : 1; // if set, the page is read/write; otherwise the page is read-only
- unsigned user : 1; // if set, then page can be access by all; otherwise only the supervisor can access it
- unsigned writethrough : 1; // if set, write-through caching is enabled; otherwise write-back is enabled instead
- unsigned cachedisable : 1; // if set, the page will not be cached
- unsigned accessed : 1; // set by the CPU when the page is read from or written to
- unsigned dirty : 1; // used to determine whether a page has been written to
- unsigned pat : 1; // page attribute table?
- unsigned global : 1;
- unsigned int __available__ : 3; // available to the OS
- unsigned int address : 20;
-};
-_Static_assert(sizeof(struct TableEntry) == 4);
diff --git a/arch/i686/include/sys/control.h b/arch/i686/include/sys/control.h
deleted file mode 100644
index a40a67f..0000000
--- a/arch/i686/include/sys/control.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#pragma once
-
-static void
-abort()
-{
- asm volatile(R"(cli
-h: hlt
-jmp h)");
-}
diff --git a/arch/i686/include/sys/cpuid.h b/arch/i686/include/sys/cpuid.h
deleted file mode 100644
index f2ffe37..0000000
--- a/arch/i686/include/sys/cpuid.h
+++ /dev/null
@@ -1,35 +0,0 @@
-#pragma once
-
-#include <cpuid.h>
-
-struct CPUVersion {
- unsigned int stepping : 4;
- unsigned int model : 4;
- unsigned int family : 4;
- unsigned int type : 2;
- unsigned int __unused_1 : 2;
- unsigned int model_ex : 4;
- unsigned int family_ex : 8;
- unsigned int __unused_2 : 4;
-} __attribute__((packed, aligned(__alignof__(unsigned int))));
-_Static_assert(sizeof(struct CPUVersion) == sizeof(unsigned int));
-
-unsigned int
-family(const struct CPUVersion v)
-{
- if (v.family == 0x0f) return v.family + v.family_ex;
- else
- return v.family;
-}
-
-unsigned int
-model(const struct CPUVersion v)
-{
- switch (v.family) {
- case 0x06:
- case 0x0f:
- return ((unsigned int)v.model_ex << 4) | v.model;
- default:
- return v.model;
- }
-}
diff --git a/arch/i686/include/sys/io.h b/arch/i686/include/sys/io.h
deleted file mode 100644
index 74d4950..0000000
--- a/arch/i686/include/sys/io.h
+++ /dev/null
@@ -1,79 +0,0 @@
-#pragma once
-
-static inline void
-outb(unsigned char val, unsigned short port)
-{
- asm volatile("outb %0,%1" : : "a"(val), "dN"(port));
-}
-
-static inline void
-outw(unsigned short val, unsigned short port)
-{
- asm volatile("outw %0,%1" : : "a"(val), "dN"(port));
-}
-
-static inline void
-outl(unsigned int val, unsigned short port)
-{
- asm volatile("outl %0,%1" : : "a"(val), "dN"(port));
-}
-
-static inline unsigned char
-inb(unsigned short port)
-{
- unsigned char val;
- asm volatile("inb %1,%0" : "=a"(val) : "dN"(port));
- return val;
-}
-
-static inline unsigned short
-inw(unsigned short port)
-{
- unsigned short val;
- asm volatile("inw %1,%0" : "=a"(val) : "dN"(port));
- return val;
-}
-
-static inline unsigned int
-inl(unsigned short port)
-{
- unsigned int val;
- asm volatile("inl %1,%0" : "=a"(val) : "dN"(port));
- return val;
-}
-
-static inline void
-outsb(unsigned short port, const void *__buf, unsigned long __n)
-{
- asm volatile("cld; rep; outsb" : "+S"(__buf), "+c"(__n) : "d"(port));
-}
-
-static inline void
-outsw(unsigned short port, const void *__buf, unsigned long __n)
-{
- asm volatile("cld; rep; outsw" : "+S"(__buf), "+c"(__n) : "d"(port));
-}
-
-static inline void
-outsl(unsigned short port, const void *__buf, unsigned long __n)
-{
- asm volatile("cld; rep; outsl" : "+S"(__buf), "+c"(__n) : "d"(port));
-}
-
-static inline void
-insb(unsigned short port, void *__buf, unsigned long __n)
-{
- asm volatile("cld; rep; insb" : "+D"(__buf), "+c"(__n) : "d"(port));
-}
-
-static inline void
-insw(unsigned short port, void *__buf, unsigned long __n)
-{
- asm volatile("cld; rep; insw" : "+D"(__buf), "+c"(__n) : "d"(port));
-}
-
-static inline void
-insl(unsigned short port, void *__buf, unsigned long __n)
-{
- asm volatile("cld; rep; insl" : "+D"(__buf), "+c"(__n) : "d"(port));
-}
diff --git a/arch/i686/init.s b/arch/i686/init.s
deleted file mode 100644
index 92710df..0000000
--- a/arch/i686/init.s
+++ /dev/null
@@ -1,42 +0,0 @@
-.section .stack, "aw", @nobits
-.global k_stack
-.align 16 /* Stack on x86 must be 16-byte aligned according to System V ABI */
-k_stack_bottom:
- .skip 16 * 1024 /* 16 kByte */
-k_stack:
-
-.section .pages, "aw", @nobits
-.align 4096
-.global k_pagedir
-k_pagedir: .skip 1024 * 4
-.global k_ptable0x300
-k_ptable0x300: .skip 1024 * 4
-
-.section .text
-.global k_init
-.extern kmain
-k_init:
- # kernel entry point, higher half
-
- # unmap the identity mapping as its no longer necessary
- movl $0, k_pagedir + 0 * 4
- mov %cr3, %ecx # reload cr3 to force a TLB flush
- mov %ecx, %cr3
-
- # zero out the stack
- mov $4096, %ecx # loop counter
- mov $k_stack_bottom, %edi # start from the bottom
- xor %edx, %edx # clear %edx
-1: movl %edx, (%edi) # store %edx into address in %edi
- addl $4, %edi # point to next address
- loop 1b # loop according to %ecx
-
- mov $k_stack, %esp # point stack pointer to the stack
-
- call kmain
-
- /* If the system has nothing more to do, put it in an infinite loop */
- cli # disable interrupts
-h: hlt # wait for interrupt
- jmp h # continue waiting for interrupt
-
diff --git a/arch/i686/lgdt.c b/arch/i686/lgdt.c
deleted file mode 100644
index 2be5d30..0000000
--- a/arch/i686/lgdt.c
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <gdt.h>
-
-struct __attribute__((packed)) Pointer {
- uint16_t limit;
- uint32_t base;
-};
-
-static struct SegmentDescriptor_t segments[8] __attribute__((aligned(32)));
-
-void
-gdt_install()
-{
- SegmentDescriptor(&segments[0], 0, 0, 0); // null segment
- SegmentDescriptor(&segments[2], 0, 0xffffffff, 0x9a); // ktext
- SegmentDescriptor(&segments[3], 0, 0xffffffff, 0x92); // kdata
-
- const struct Pointer ptr = {.limit = sizeof(segments) - 1, .base = (unsigned)&segments};
- asm volatile("lgdt (%0)" : : "a"(&ptr));
-
- // load the kernel data segment
- asm volatile(R"(mov %0, %%ds
- mov %0, %%es
- mov %0, %%fs
- mov %0, %%gs
- mov %0, %%ss
-)"
- :
- : "ax"(kdataDescriptor));
-
- // load the kernel code segment
- asm volatile(R"(ljmp %0, $1f
- 1:)"
- :
- : "i"(ktextDescriptor));
-}
diff --git a/arch/i686/lidt.c b/arch/i686/lidt.c
deleted file mode 100644
index efbade3..0000000
--- a/arch/i686/lidt.c
+++ /dev/null
@@ -1,46 +0,0 @@
-#include <idt.h>
-#include <stdint.h>
-
-struct __attribute__((packed)) Pointer {
- uint16_t limit;
- uint32_t base;
-};
-
-enum Type {
- Null = 0,
- Intr = 0b10001110, // 32-bit interrupt
-};
-
-struct __attribute__((packed)) Gate_t {
- uint16_t offset_15_0; // segment offset low
- uint16_t selector; // code segment selector
- uint8_t __unused; // unused in protected mode
- uint8_t type; // interrupt type
- uint16_t offset_31_16; // segment offset high
-};
-_Static_assert(sizeof(struct Gate_t) == 8);
-
-void
-Gate(struct Gate_t *entry, void *f, uint16_t selector)
-{
- uint32_t f_addr = (uint32_t)f;
- entry->offset_15_0 = f_addr & 0xffff;
- entry->offset_31_16 = (f_addr >> 16) & 0xffff;
- entry->selector = selector;
- entry->__unused = 0;
- entry->type = Intr;
-}
-
-static struct Gate_t interrupt_table[256] __attribute((aligned(4096)));
-
-void
-idt_install()
-{
- for (int i = 0; i <= 0x2f; ++i) Gate(&interrupt_table[i], &interrupt_handler, 0x10);
- Gate(&interrupt_table[0x80], &abort_handler, 0x10);
-
- const struct Pointer ptr = {.limit = sizeof(interrupt_table) - 1, .base = (unsigned)&interrupt_table};
- asm volatile("lidt (%0)" : : "a"(&ptr));
-
- asm volatile("sti");
-}
diff --git a/arch/i686/linker.ld b/arch/i686/linker.ld
deleted file mode 100644
index 61a3be9..0000000
--- a/arch/i686/linker.ld
+++ /dev/null
@@ -1,54 +0,0 @@
-ENTRY(_start)
-OUTPUT_FORMAT(elf32-i386)
-
-MULTIBOOT_SIZE = 0x2000;
-VADDR_BASE = 0xc0000000;
-
-SECTIONS
-{
- /* First put the multiboot header, as it is required to be put very early in the image or the bootloader won't *
- * recognize the file format. *
- * Once the MMU is set up, this section is no longer needed and should be unmapped. */
- . = 0;
- .bootstrap : {
- . = ALIGN(8);
- __multiboot_begin = .;
- KEEP(*(.multiboot.header))
- KEEP(*(.multiboot.text))
- KEEP(*(.multiboot.pages))
- __multiboot_end = .;
- }
-
- . = VADDR_BASE;
-
- .text ALIGN(4K) : AT(ADDR(.text) - VADDR_BASE + MULTIBOOT_SIZE) {
- __text_begin = .;
- *(.text*)
- __text_end = .;
- }
-
- /* Read-only data. */
- .rodata ALIGN(4K) : AT(ADDR(.rodata) - VADDR_BASE + MULTIBOOT_SIZE) {
- __rodata_begin = .;
- *(.constinit)
- *(.rodata*)
- __rodata_end = .;
- }
-
- /* Read-write data (uninitialized) and stack */
- .bss ALIGN(4K) : AT(ADDR(.bss) - VADDR_BASE + MULTIBOOT_SIZE) {
- __bss_begin = .;
- *(.stack)
- *(.pages)
- *(.bss*)
- __bss_end = .;
- }
-
- /* Read-write data (initialized) */
- .data ALIGN(4K) : AT(ADDR(.data) - VADDR_BASE + MULTIBOOT_SIZE) {
- __data_begin = .;
- *(.init)
- *(.data)
- __data_end = .;
- }
-}
diff --git a/arch/i686/macros.s b/arch/i686/macros.s
deleted file mode 100644
index a9b8b4d..0000000
--- a/arch/i686/macros.s
+++ /dev/null
@@ -1,25 +0,0 @@
-.set PAGE_RO, 0x001
-.set PAGE_RW, 0x003
-/* write section to page table macro
- *
- * Registers used:
- * %ecx: loop counter [ set to $1024 ]
- * %edx: temporary
- * %esi: current page being mapped
- * %edi: page entry [ set to $page_addr ]
- */
-.macro mmap_section begin, end, access
- mov $\begin, %esi # from $begin
-1: cmpl $\end, %esi # until $end
- jge 2f
-
- movl %esi, %edx
- orl $\access, %edx
- movl %edx, (%edi)
-
- addl $4096, %esi # move to next page
- addl $4, %edi # size of page entry is 4 bytes
- loop 1b # loop according to %ecx
-2:
-.endm
-
diff --git a/arch/i686/meson.build b/arch/i686/meson.build
deleted file mode 100644
index f6bed8e..0000000
--- a/arch/i686/meson.build
+++ /dev/null
@@ -1,9 +0,0 @@
-arch = declare_dependency(
- sources: ['boot.S', 'init.s',
- 'gdt.c', 'lgdt.c', 'lidt.c'
- ],
- include_directories: 'include',
- compile_args: '-mgeneral-regs-only'
-)
-
-test('GDT', executable('gdt', ['test/gdt.c', 'gdt.c'], include_directories: 'include', native: true))
diff --git a/arch/i686/test/gdt.c b/arch/i686/test/gdt.c
deleted file mode 100644
index 2947b42..0000000
--- a/arch/i686/test/gdt.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include "gdt.h"
-#include <assert.h>
-#include <stdlib.h>
-
-int
-main()
-{
- assert(*(uint8_t *)&null_access == 0x00);
- assert(*(uint8_t *)&ktext_access == 0x9a);
- assert(*(uint8_t *)&kdata_access == 0x92);
-
- struct SegmentDescriptor_t d;
- SegmentDescriptor(&d, 0, 0, 0);
- assert(*(uint64_t *)&d == 0);
-
- assert(ktextDescriptor == 0x10);
- assert(kdataDescriptor == 0x18);
-
- return EXIT_SUCCESS;
-}
diff --git a/arch/i686/toolchain.ini b/arch/i686/toolchain.ini
deleted file mode 100644
index 5114cfe..0000000
--- a/arch/i686/toolchain.ini
+++ /dev/null
@@ -1,18 +0,0 @@
-[constants]
-arch = 'i686'
-
-[host_machine]
-system = 'none'
-cpu_family = 'x86'
-cpu = 'i686'
-endian = 'little'
-
-[binaries]
-c = 'i686-elf-gcc'
-ar = 'i686-elf-ar'
-strip = 'i686-elf-strip'
-
-[built-in options]
-c_args = ['-ffreestanding']
-c_link_args = ['-nostdlib']
-