Bunch of stuff moved as .old for new arch change

15 files changed, 364 insertions, 0 deletions

diff --git a/boot.old/boot.s b/boot.old/boot.s
new file mode 100644
index 0000000..a7a485c
--- /dev/null
+++ b/boot.old/boot.s
@@ -0,0 +1,229 @@
+.section .text
+.global _start
+
+.align 8
+multiboot2_header_start:
+    .long 0xE85250D6
+    .long 0
+    .long multiboot2_header_end - multiboot2_header_start
+    .long -(0xE85250D6 + 0 + (multiboot2_header_end - multiboot2_header_start))
+    
+    .align 8
+    .short 0
+    .short 0
+    .long 8
+multiboot2_header_end:
+
+.code32
+_start:
+    cli
+    
+    mov %ebx, multiboot2_info_ptr
+    mov $boot_stack_top, %esp
+    
+    call setup_page_tables
+    call enable_long_mode
+    
+    lgdt gdt64_pointer
+    jmp $0x08, $long_mode_start
+
+setup_page_tables:
+    # PML4[0] -> L3 (identity map first 512GB)
+    mov $page_table_l3, %eax
+    or $0b111, %eax
+    mov %eax, (page_table_l4)
+    
+    # PML4[256] -> L3_high (higher-half at 0xFFFF800000000000)
+    mov $page_table_l3_high, %eax
+    or $0b111, %eax
+    mov %eax, (page_table_l4 + 2048)
+    
+    # Setup L3 entries for identity mapping (first 4GB)
+    mov $page_table_l2_0, %eax
+    or $0b111, %eax
+    mov %eax, (page_table_l3)
+    
+    mov $page_table_l2_1, %eax
+    or $0b111, %eax
+    mov %eax, (page_table_l3 + 8)
+    
+    mov $page_table_l2_2, %eax
+    or $0b111, %eax
+    mov %eax, (page_table_l3 + 16)
+    
+    mov $page_table_l2_3, %eax
+    or $0b111, %eax
+    mov %eax, (page_table_l3 + 24)
+    
+    # Setup L3_high entries (map first 4GB to higher-half too)
+    mov $page_table_l2_high_0, %eax
+    or $0b111, %eax
+    mov %eax, (page_table_l3_high)
+    
+    mov $page_table_l2_high_1, %eax
+    or $0b111, %eax
+    mov %eax, (page_table_l3_high + 8)
+    
+    mov $page_table_l2_high_2, %eax
+    or $0b111, %eax
+    mov %eax, (page_table_l3_high + 16)
+    
+    mov $page_table_l2_high_3, %eax
+    or $0b111, %eax
+    mov %eax, (page_table_l3_high + 24)
+    
+    # Map 4GB identity (low)
+    mov $page_table_l2_0, %edi
+    mov $0x00000000, %edx
+    mov $0b10000111, %esi
+    call map_l2_table
+    
+    mov $page_table_l2_1, %edi
+    mov $0x40000000, %edx
+    mov $0b10000111, %esi
+    call map_l2_table
+    
+    mov $page_table_l2_2, %edi
+    mov $0x80000000, %edx
+    mov $0b10000111, %esi
+    call map_l2_table
+    
+    mov $page_table_l2_3, %edi
+    mov $0xC0000000, %edx
+    mov $0b10000111, %esi
+    call map_l2_table
+    
+    # Map 4GB to higher-half (same physical memory, different virtual addresses)
+    mov $page_table_l2_high_0, %edi
+    mov $0x00000000, %edx
+    mov $0b10000111, %esi
+    call map_l2_table
+    
+    mov $page_table_l2_high_1, %edi
+    mov $0x40000000, %edx
+    mov $0b10000111, %esi
+    call map_l2_table
+    
+    mov $page_table_l2_high_2, %edi
+    mov $0x80000000, %edx
+    mov $0b10000111, %esi
+    call map_l2_table
+    
+    mov $page_table_l2_high_3, %edi
+    mov $0xC0000000, %edx
+    mov $0b10000111, %esi
+    call map_l2_table
+    
+    ret
+
+map_l2_table:
+    push %ebx
+    push %ecx
+    push %edx
+    
+    mov %edx, %ebx
+    mov $0, %ecx
+    
+.map_loop:
+    mov %ebx, %eax
+    or %esi, %eax
+    
+    mov %eax, (%edi,%ecx,8)
+    movl $0, 4(%edi,%ecx,8)
+    
+    add $0x200000, %ebx
+    
+    inc %ecx
+    cmp $512, %ecx
+    jne .map_loop
+    
+    pop %edx
+    pop %ecx
+    pop %ebx
+    ret
+
+enable_long_mode:
+    mov $page_table_l4, %eax
+    mov %eax, %cr3
+    
+    mov %cr4, %eax
+    or $(1 << 5), %eax
+    mov %eax, %cr4
+    
+    mov $0xC0000080, %ecx
+    rdmsr
+    or $(1 << 8), %eax
+    wrmsr
+    
+    mov %cr0, %eax
+    or $(1 << 31), %eax
+    mov %eax, %cr0
+    
+    ret
+
+.code64
+long_mode_start:
+    mov $0x10, %ax
+    mov %ax, %ds
+    mov %ax, %es
+    mov %ax, %fs
+    mov %ax, %gs
+    mov %ax, %ss
+    
+    mov $stack_top, %rsp
+    
+    xor %rdi, %rdi
+    mov multiboot2_info_ptr(%rip), %edi
+    
+    call mirai
+    
+halt:
+    hlt
+    jmp halt
+
+.section .data
+.align 4096
+page_table_l4:
+    .skip 4096
+page_table_l3:
+    .skip 4096
+page_table_l2_0:
+    .skip 4096
+page_table_l2_1:
+    .skip 4096
+page_table_l2_2:
+    .skip 4096
+page_table_l2_3:
+    .skip 4096
+page_table_l3_high:
+    .skip 4096
+page_table_l2_high_0:
+    .skip 4096
+page_table_l2_high_1:
+    .skip 4096
+page_table_l2_high_2:
+    .skip 4096
+page_table_l2_high_3:
+    .skip 4096
+
+.align 16
+gdt64:
+    .quad 0
+    .quad 0x00AF9A000000FFFF
+    .quad 0x00AF92000000FFFF
+gdt64_pointer:
+    .word gdt64_pointer - gdt64 - 1
+    .quad gdt64
+
+multiboot2_info_ptr:
+    .long 0
+
+.section .bss
+.align 16
+boot_stack_bottom:
+    .skip 4096
+boot_stack_top:
+
+stack_bottom:
+    .skip 16384
+stack_top:
\ No newline at end of file
diff --git a/boot.old/boot64.s b/boot.old/boot64.s
new file mode 100644
index 0000000..6ee4e85
--- /dev/null
+++ b/boot.old/boot64.s
@@ -0,0 +1,40 @@
+.code64
+.section .text
+.global setup_page_tables_64
+
+setup_page_tables_64:
+    push %rbx
+    push %rcx
+    push %rdx
+    
+    mov %rdi, %rax
+    shr $39, %rax
+    and $0x1FF, %rax
+    
+    mov %rdi, %rbx
+    shr $30, %rbx
+    and $0x1FF, %rbx
+    
+    mov %rdi, %rcx
+    shr $21, %rcx
+    and $0x1FF, %rcx
+    
+    mov %cr3, %rdx
+    
+    mov (%rdx,%rax,8), %rax
+    and $~0xFFF, %rax
+    
+    mov (%rax,%rbx,8), %rax
+    and $~0xFFF, %rax
+    
+    mov %rdi, %rdx
+    and $~0x1FFFFF, %rdx
+    or $0x8B, %rdx
+    mov %rdx, (%rax,%rcx,8)
+    
+    invlpg (%rdi)
+    
+    pop %rdx
+    pop %rcx
+    pop %rbx
+    ret
\ No newline at end of file
diff --git a/boot.old/grub/grub.cfg b/boot.old/grub/grub.cfg
new file mode 100644
index 0000000..3540af0
--- /dev/null
+++ b/boot.old/grub/grub.cfg
@@ -0,0 +1,30 @@
+set timeout=5
+set default=0
+set esp='hd0,gpt1'
+set themedir=($esp)/boot/grub/themes/akiba
+
+# Load font from ESP
+loadfont $themedir/f/akiba.pf2
+
+set gfxmode=800x600x32
+insmod all_video
+insmod gfxterm
+insmod gfxmenu
+insmod png
+terminal_output gfxterm
+
+set theme=$themedir/theme.txt
+
+insmod part_gpt
+insmod part_msdos
+insmod fat
+insmod afs
+
+# Switch to the AFS partition
+set root='hd0,gpt2'
+
+menuentry "Akiba" {
+    echo "Loading kernel from AFS partition..."
+    multiboot2 /system/akiba/mirai.kernel
+    boot
+}
\ No newline at end of file
diff --git a/boot.old/grub/themes/akiba/f/akiba.pf2 b/boot.old/grub/themes/akiba/f/akiba.pf2
new file mode 100644
index 0000000..a85f589
--- /dev/null
+++ b/boot.old/grub/themes/akiba/f/akiba.pf2
diff --git a/boot.old/grub/themes/akiba/frame_n.png b/boot.old/grub/themes/akiba/frame_n.png
new file mode 100644
index 0000000..7e1c8da
--- /dev/null
+++ b/boot.old/grub/themes/akiba/frame_n.png
diff --git a/boot.old/grub/themes/akiba/frame_ne.png b/boot.old/grub/themes/akiba/frame_ne.png
new file mode 100644
index 0000000..0fb2223
--- /dev/null
+++ b/boot.old/grub/themes/akiba/frame_ne.png
diff --git a/boot.old/grub/themes/akiba/frame_nw.png b/boot.old/grub/themes/akiba/frame_nw.png
new file mode 100644
index 0000000..48385f4
--- /dev/null
+++ b/boot.old/grub/themes/akiba/frame_nw.png
diff --git a/boot.old/grub/themes/akiba/frame_s.png b/boot.old/grub/themes/akiba/frame_s.png
new file mode 100644
index 0000000..5402576
--- /dev/null
+++ b/boot.old/grub/themes/akiba/frame_s.png
diff --git a/boot.old/grub/themes/akiba/frame_se.png b/boot.old/grub/themes/akiba/frame_se.png
new file mode 100644
index 0000000..3d66a61
--- /dev/null
+++ b/boot.old/grub/themes/akiba/frame_se.png
diff --git a/boot.old/grub/themes/akiba/frame_sw.png b/boot.old/grub/themes/akiba/frame_sw.png
new file mode 100644
index 0000000..d37754e
--- /dev/null
+++ b/boot.old/grub/themes/akiba/frame_sw.png
diff --git a/boot.old/grub/themes/akiba/inbox_c.png b/boot.old/grub/themes/akiba/inbox_c.png
new file mode 100644
index 0000000..6bf7e35
--- /dev/null
+++ b/boot.old/grub/themes/akiba/inbox_c.png
diff --git a/boot.old/grub/themes/akiba/inbox_e.png b/boot.old/grub/themes/akiba/inbox_e.png
new file mode 100644
index 0000000..02f320a
--- /dev/null
+++ b/boot.old/grub/themes/akiba/inbox_e.png
diff --git a/boot.old/grub/themes/akiba/inbox_w.png b/boot.old/grub/themes/akiba/inbox_w.png
new file mode 100644
index 0000000..8cc5c54
--- /dev/null
+++ b/boot.old/grub/themes/akiba/inbox_w.png
diff --git a/boot.old/grub/themes/akiba/select_c.png b/boot.old/grub/themes/akiba/select_c.png
new file mode 100644
index 0000000..5664fa3
--- /dev/null
+++ b/boot.old/grub/themes/akiba/select_c.png
diff --git a/boot.old/grub/themes/akiba/theme.txt b/boot.old/grub/themes/akiba/theme.txt
new file mode 100644
index 0000000..7c935ff
--- /dev/null
+++ b/boot.old/grub/themes/akiba/theme.txt
@@ -0,0 +1,65 @@
+title-text: ""
+desktop-color: "#000000"
+terminal-font: "VGA Regular 16"
+
+#menu
++ boot_menu {
+	left = 50%-284
+	top = 50%-62
+	width = 568
+	height = 124
+	item_font = "Akiba"
+	selected_item_font = "Akiba"
+	icon_width = 4
+	item_height = 20
+	item_padding = 0
+	item_icon_space = 0
+	item_spacing = 1
+	selected_item_pixmap_style = "select_*.png"
+	scrollbar = true
+	scrollbar_width = 0
+	item_color = "#ffffff"
+	selected_item_color = "#ffffff"
+
+	menu_pixmap_style = "inbox_*.png"
+}
+
+# "Welcome to Akiba Boot Menu"
++ canvas {
+	
+	left = 50%-284
+	top = 50%-62-56
+	width = 568
+	height = 56
+
+	+ label {  left = 0  top = 22  width = 100%  height = 16  color = "white"  align = "center"  text = "Welcome to Akiba Boot Menu"  font = "Akiba"  }
+
+	+ image {  file = "frame_s.png"  left = 8  top = 100%-12  width = 100%-16  height = 12  }
+	+ image {  file = "frame_nw.png"  left = 0  top = 0  }
+	+ image {  file = "frame_n.png"  left = 8  top = 0  width = 100%-16  height = 12  }
+	+ image {  file = "frame_ne.png"  left = 100%-8  top = 0  }
+	+ image {  file = "inbox_e.png"  left = 100%-16  top = 12  width = 16  height = 100%-12  }
+	+ image {  file = "inbox_w.png"  left = 0  top = 12  width = 16  height = 100%-12  }
+	+ image {  file = "inbox_c.png"  left = 16  top = 12  width = 100%-32  height = 100%-24 }
+}
+
+# "UP and DOWN to move selection ..."
++ canvas {
+	
+	left = 50%-284
+	top = 50%+62
+	width = 568
+	height = 73
+
+	+ label {  left = 0  top = 21  width = 100%  height = 16  color = "white"  align = "center"  text = "UP and DOWN to move selection"  font = "Akiba"  }
+	+ label {  left = 0  top = 39  width = 100%  height = 16  color = "white"  align = "center"  text = "ENTER to boot from selected device"  font = "Akiba"  }
+
+	+ image {  file = "frame_n.png"  left = 8  top = 0  width = 100%-16  height = 12  }
+	+ image {  file = "inbox_e.png"  left = 100%-16  top = 0  width = 16  height = 100%-12  }
+	+ image {  file = "frame_se.png"  left = 100%-8  top = 100%-12  }
+	+ image {  file = "frame_s.png"  left = 8  top = 100%-12  width = 100%-16  height = 12  }
+	+ image {  file = "frame_sw.png"  left = 0  top = 100%-12  }
+	+ image {  file = "inbox_w.png"  left = 0  top = 0  width = 16 height = 100%-12  }
+	+ image {  file = "inbox_c.png"  left = 16  top = 12  width = 100%-32  height = 100%-24  }
+
+}