remove boot dir

3 files changed, 0 insertions, 490 deletions

diff --git a/boot/include/arch.h b/boot/include/arch.h
deleted file mode 100644
index a0a0b45..0000000
--- a/boot/include/arch.h
+++ /dev/null
@@ -1,302 +0,0 @@
-/*
-** @file    arch.h
-**
-** @author  Warren R. Carithers
-** @author	K. Reek
-**
-** Definitions of constants and macros for use
-** with the x86 architecture and registers.
-**
-*/
-
-#ifndef X86ARCH_H_
-#define X86ARCH_H_
-
-/*
-** Video stuff
-*/
-#define VID_BASE_ADDR 0xB8000
-
-/*
-** Memory management
-*/
-#define SEG_PRESENT 0x80
-#define SEG_PL_0 0x00
-#define SEG_PL_1 0x20
-#define SEG_PL_2 0x40
-#define SEG_PL_3 0x50
-#define SEG_SYSTEM 0x00
-#define SEG_NON_SYSTEM 0x10
-#define SEG_32BIT 0x04
-#define DESC_IGATE 0x06
-
-/*
-** Exceptions
-*/
-#define N_EXCEPTIONS 256
-
-/*
-** Bit definitions in registers
-**
-** See IA-32 Intel Architecture SW Dev. Manual, Volume 3: System
-** Programming Guide, page 2-8.
-*/
-
-/*
-** EFLAGS
-*/
-#define EFL_RSVD 0xffc00000 /* reserved */
-#define EFL_MB0 0x00008020 /* must be zero */
-#define EFL_MB1 0x00000002 /* must be 1 */
-
-#define EFL_ID 0x00200000
-#define EFL_VIP 0x00100000
-#define EFL_VIF 0x00080000
-#define EFL_AC 0x00040000
-#define EFL_VM 0x00020000
-#define EFL_RF 0x00010000
-#define EFL_NT 0x00004000
-#define EFL_IOPL 0x00003000
-#define EFL_OF 0x00000800
-#define EFL_DF 0x00000400
-#define EFL_IF 0x00000200
-#define EFL_TF 0x00000100
-#define EFL_SF 0x00000080
-#define EFL_ZF 0x00000040
-#define EFL_AF 0x00000010
-#define EFL_PF 0x00000004
-#define EFL_CF 0x00000001
-
-/*
-** CR0, CR1, CR2, CR3, CR4
-**
-** IA-32 V3, page 2-12.
-*/
-#define CR0_RSVD 0x1ffaffc0
-#define CR0_PG 0x80000000
-#define CR0_CD 0x40000000
-#define CR0_NW 0x20000000
-#define CR0_AM 0x00040000
-#define CR0_WP 0x00010000
-#define CR0_NE 0x00000020
-#define CR0_ET 0x00000010
-#define CR0_TS 0x00000008
-#define CR0_EM 0x00000004
-#define CR0_MP 0x00000002
-#define CR0_PE 0x00000001
-
-#define CR1_RSVD 0xffffffff
-
-#define CR2_RSVD 0x00000000
-#define CR2_PF_LIN_ADDR 0xffffffff
-
-#define CR3_RSVD 0x00000fe7
-#define CR3_PD_BASE 0xfffff000
-#define CR3_PCD 0x00000010
-#define CR3_PWT 0x00000008
-
-#define CR4_RSVD 0xfd001000
-#define CR4_UINT 0x02000000
-#define CR4_PKS 0x01000000
-#define CR4_CET 0x00800000
-#define CR4_PKE 0x00400000
-#define CR4_SMAP 0x00200000
-#define CR4_SMEP 0x00100000
-#define CR4_KL 0x00080000
-#define CR4_OSXS 0x00040000
-#define CR4_PCID 0x00020000
-#define CR4_FSGS 0x00010000
-#define CR4_SMXE 0x00004000
-#define CR4_VMXE 0x00002000
-#define CR4_LA57 0x00001000
-#define CR4_UMIP 0x00000800
-#define CR4_OSXMMEXCPT 0x00000400
-#define CR4_OSFXSR 0x00000200
-#define CR4_PCE 0x00000100
-#define CR4_PGE 0x00000080
-#define CR4_MCE 0x00000040
-#define CR4_PAE 0x00000020
-#define CR4_PSE 0x00000010
-#define CR4_DE 0x00000008
-#define CR4_TSD 0x00000004
-#define CR4_PVI 0x00000002
-#define CR4_VME 0x00000001
-
-/*
-** PMode segment selector field masks
-**
-** IA-32 V3, page 3-8.
-*/
-#define SEG_SEL_IX_MASK 0xfff8
-#define SEG_SEL_TI_MASK 0x0004
-#define SEG_SEL_RPL_MASK 0x0003
-
-/*
-** Segment descriptor bytes
-**
-** IA-32 V3, page 3-10.
-**
-** Bytes:
-**    0, 1: segment limit 15:0
-**    2, 3: base address 15:0
-**    4:    base address 23:16
-**    7:    base address 31:24
-*/
-
-/*
-** Byte 5:    access control bits
-**    7:    present
-**    6-5:  DPL
-**    4:    system/user
-**    3-0:  type
-*/
-#define SEG_ACCESS_P_MASK 0x80
-#define SEG_PRESENT 0x80
-#define SEG_NOT_PRESENT 0x00
-
-#define SEG_ACCESS_DPL_MASK 0x60
-#define SEG_DPL_0 0x00
-#define SEG_DPL_1 0x20
-#define SEG_DPL_2 0x40
-#define SEG_DPL_3 0x60
-
-#define SEG_ACCESS_S_MASK 0x10
-#define SEG_SYSTEM 0x00
-#define SEG_NON_SYSTEM 0x10
-
-#define SEG_TYPE_MASK 0x0f
-#define SEG_DATA_A_BIT 0x1
-#define SEG_DATA_W_BIT 0x2
-#define SEG_DATA_E_BIT 0x4
-#define SEG_CODE_A_BIT 0x1
-#define SEG_CODE_R_BIT 0x2
-#define SEG_CODE_C_BIT 0x4
-#define SEG_DATA_RO 0x0
-#define SEG_DATA_ROA 0x1
-#define SEG_DATA_RW 0x2
-#define SEG_DATA_RWA 0x3
-#define SEG_DATA_RO_XD 0x4
-#define SEG_DATA_RO_XDA 0x5
-#define SEG_DATA_RW_XW 0x6
-#define SEG_DATA_RW_XWA 0x7
-#define SEG_CODE_XO 0x8
-#define SEG_CODE_XOA 0x9
-#define SEG_CODE_XR 0xa
-#define SEG_CODE_XRA 0xb
-#define SEG_CODE_XO_C 0xc
-#define SEG_CODE_XO_CA 0xd
-#define SEG_CODE_XR_C 0xe
-#define SEG_CODE_XR_CA 0xf
-
-/*
-** Byte 6:    sizes
-**    7:    granularity
-**    6:    d/b
-**    5:    long mode
-**    4:    available!
-**    3-0:  upper 4 bits of limit
-**    7:    base address 31:24
-*/
-#define SEG_SIZE_G_MASK 0x80
-#define SEG_GRAN_BYTE 0x00
-#define SEG_GRAN_4KBYTE 0x80
-
-#define SEG_SIZE_D_B_MASK 0x40
-#define SEG_DB_16BIT 0x00
-#define SEG_DB_32BIT 0x40
-
-#define SEG_SIZE_L_MASK 0x20
-#define SEG_L_64BIT 0x20
-#define SEG_L_32BIT 0x00
-
-#define SEG_SIZE_AVL_MASK 0x10
-
-#define SEG_SIZE_LIM_19_16_MASK 0x0f
-
-/*
-** System-segment and gate-descriptor types
-**
-** IA-32 V3, page 3-15.
-*/
-// type 0: reserved
-#define SEG_SYS_16BIT_TSS_AVAIL 0x1
-#define SEG_SYS_LDT 0x2
-#define SEG_SYS_16BIT_TSS_BUSY 0x3
-#define SEG_SYS_16BIT_CALL_GATE 0x4
-#define SEG_SYS_TASK_GATE 0x5
-#define SEG_SYS_16BIT_INT_GATE 0x6
-#define SEG_SYS_16BIT_TRAP_GATE 0x7
-// type 8: reserved
-#define SEG_SYS_32BIT_TSS_AVAIL 0x9
-// type A: reserved
-#define SEG_SYS_32BIT_TSS_BUSY 0xb
-#define SEG_SYS_32BIT_CALL_GATE 0xc
-// type D: reserved
-#define SEG_SYS_32BIT_INT_GATE 0xe
-#define SEG_SYS_32BIT_TRAP_GATE 0xf
-
-/*
-** IDT Descriptors
-**
-** IA-32 V3, page 5-13.
-**
-** All have a segment selector in bytes 2 and 3; Task Gate descriptors
-** have bytes 0, 1, 4, 6, and 7 reserved; others have bytes 0, 1, 6,
-** and 7 devoted to the 16 bits of the Offset, with the low nybble of
-** byte 4 reserved.
-*/
-#define IDT_PRESENT 0x8000
-#define IDT_DPL_MASK 0x6000
-#define IDT_DPL_0 0x0000
-#define IDT_DPL_1 0x2000
-#define IDT_DPL_2 0x4000
-#define IDT_DPL_3 0x6000
-#define IDT_GATE_TYPE 0x0f00
-#define IDT_TASK_GATE 0x0500
-#define IDT_INT16_GATE 0x0600
-#define IDT_INT32_GATE 0x0e00
-#define IDT_TRAP16_GATE 0x0700
-#define IDT_TRAP32_GATE 0x0f00
-
-/*
-** Interrupt vectors
-*/
-
-// predefined by the architecture
-#define VEC_DIVIDE_ERROR 0x00
-#define VEC_DEBUG_EXCEPTION 0x01
-#define VEC_NMI_INTERRUPT 0x02
-#define VEC_BREAKPOINT 0x03
-#define VEC_OVERFLOW 0x04
-#define VEC_BOUND_RANGE_EXCEEDED 0x05
-#define VEC_INVALID_OPCODE 0x06
-#define VEC_DEVICE_NOT_AVAILABLE 0x07
-#define VEC_DOUBLE_FAULT 0x08
-#define VEC_COPROCESSOR_OVERRUN 0x09
-#define VEC_INVALID_TSS 0x0a
-#define VEC_SEGMENT_NOT_PRESENT 0x0b
-#define VEC_STACK_FAULT 0x0c
-#define VEC_GENERAL_PROTECTION 0x0d
-#define VEC_PAGE_FAULT 0x0e
-// 0x0f is reserved - unused
-#define VEC_FPU_ERROR 0x10
-#define VEC_ALIGNMENT_CHECK 0x11
-#define VEC_MACHINE_CHECK 0x12
-#define VEC_SIMD_FP_EXCEPTION 0x13
-#define VEC_VIRT_EXCEPTION 0x14
-#define VEC_CTRL_PROT_EXCEPTION 0x15
-// 0x16 through 0x1f are reserved
-
-// 0x20 through 0xff are user-defined, non-reserved
-
-// IRQ0 through IRQ15 will use vectors 0x20 through 0x2f
-#define VEC_TIMER 0x20
-#define VEC_KBD 0x21
-#define VEC_COM2 0x23
-#define VEC_COM1 0x24
-#define VEC_PARALLEL 0x25
-#define VEC_FLOPPY 0x26
-#define VEC_MYSTERY 0x27
-#define VEC_MOUSE 0x2c
-
-#endif
diff --git a/boot/include/bios.h b/boot/include/bios.h
deleted file mode 100644
index cf9f8ec..0000000
--- a/boot/include/bios.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
-** @file	bios.h
-**
-** @author	Warren R. Carithers
-**
-** BIOS-related declarations
-*/
-
-#ifndef BIOS_H_
-#define BIOS_H_
-
-/*
-** BIOS-related memory addresses
-*/
-
-#define BIOS_BDA 0x0400
-
-/*
-** Selected BIOS interrupt numbers
-*/
-
-#define BIOS_TIMER 0x08
-#define BIOS_KBD 0x09
-#define BIOS_VIDEO 0x10
-#define BIOS_EQUIP 0x11
-#define BIOS_MSIZ 0x12
-#define BIOS_DISK 0x13
-#define BIOS_SERIAL 0x14
-#define BIOS_MISC 0x15
-#define BIOS_KBDSVC 0x16
-#define BIOS_PRTSVC 0x17
-#define BIOS_BOOT 0x19
-#define BIOS_RTCPCI 0x1a
-
-// BIOS video commands (AH)
-#define BV_W_ADV 0x0e
-
-// BIOS disk commands (AH)
-#define BD_RESET 0x00
-#define BD_CHECK 0x01
-#define BD_RDSECT 0x02
-#define BD_WRSECT 0x03
-#define BD_PARAMS 0x08
-
-// BIOS disk commands with parameters (AX)
-#define BD_READ(n) ((BD_RDSECT << 8) | (n))
-#define BD_READ1 0x0201
-
-// CMOS ports (used for masking NMIs)
-#define CMOS_ADDR 0x70
-#define CMOS_DATA 0x71
-
-// important related commands
-#define NMI_ENABLE 0x00
-#define NMI_DISABLE 0x80
-
-/*
-** Physical Memory Map Table (0000:2D00 - 0000:7c00)
-**
-** Primarily used with the BIOS_MISC interrupt
-*/
-#define MMAP_SEG 0x02D0
-#define MMAP_DISP 0x0000
-#define MMAP_ADDR ((MMAP_SEG << 4) + MMAP_DISP)
-#define MMAP_SECTORS 0x0a
-
-#define MMAP_ENT 24 /* bytes per entry */
-#define MMAP_MAX_ENTS (BOOT_ADDR - MMAP_ADDR - 4) / 24
-
-#define MMAP_CODE 0xE820 /* int 0x15 code */
-#define MMAP_MAGIC_NUM 0x534D4150 /* for 0xE820 interrupt */
-
-#endif
diff --git a/boot/include/bootstrap.h b/boot/include/bootstrap.h
deleted file mode 100644
index 103c14f..0000000
--- a/boot/include/bootstrap.h
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
-** SCCS ID:	@(#)bootstrap.h	2.4	1/22/25
-**
-** @file	bootstrap.h
-**
-** @author	K. Reek
-** @author	Warren R. Carithers, Garrett C. Smith
-**
-** Addresses where various stuff goes in memory.
-*/
-
-#ifndef BOOTSTRAP_H_
-#define BOOTSTRAP_H_
-
-/*
-** The boot device
-*/
-#define BDEV_FLOPPY 0x00
-#define BDEV_USB 0x80 /* hard drive */
-
-#define BDEV BDEV_USB /* default */
-
-/*
-** Bootstrap definitions
-*/
-#define BOOT_SEG 0x07c0 /* 07c0:0000 */
-#define BOOT_DISP 0x0000
-#define BOOT_ADDR (BOOT_SEG << 4 + BOOT_DISP)
-
-#define PART2_DISP 0x0200 /* 07c0:0200 */
-#define PART2_ADDR (BOOT_SEG << 4 + PART2_DISP)
-
-#define SECTOR_SIZE 0x200 /* 512 bytes */
-
-/* Note: this assumes the bootstrap is two sectors long! */
-#define BOOT_SIZE (SECTOR_SIZE + SECTOR_SIZE)
-
-#define OFFSET_LIMIT (0x10000 - SECTOR_SIZE)
-
-#define BOOT_SP_DISP 0x4000 /* stack pointer 07c0:4000, or 0xbc00 */
-#define BOOT_SP_ADDR (BOOT_SEG << 4 + BOOT_SP_DISP)
-
-#define SECTOR1_END (BOOT_ADDR + SECTOR_SIZE)
-#define SECTOR2_END (BOOT_ADDR + BOOT_SIZE)
-
-/*
-** The target program itself
-*/
-#define TARGET_SEG 0x00001000 /* 1000:0000 */
-#define TARGET_ADDR 0x00010000 /* and upward */
-#define TARGET_STACK 0x00010000 /* and downward */
-
-/*
-** The Global Descriptor Table (0000:0500 - 0000:2500)
-*/
-#define GDT_SEG 0x00000050
-#define GDT_ADDR 0x00000500
-
-/* segment register values */
-#define GDT_LINEAR 0x0008 /* All of memory, R/W */
-#define GDT_CODE 0x0010 /* All of memory, R/E */
-#define GDT_DATA 0x0018 /* All of memory, R/W */
-#define GDT_STACK 0x0020 /* All of memory, R/W */
-
-/*
-** The Interrupt Descriptor Table (0000:2500 - 0000:2D00)
-*/
-#define IDT_SEG 0x00000250
-#define IDT_ADDR 0x00002500
-
-/*
-** Additional I/O ports used by the bootstrap code
-*/
-
-// keyboard controller
-#define KBD_DATA 0x60
-#define KBD_CMD 0x64
-#define KBD_STAT 0x64
-
-// status register bits
-#define KBD_OBSTAT 0x01
-#define KBD_IBSTAT 0x02
-#define KBD_SYSFLAG 0x04
-#define KBD_CMDDAT 0x08
-
-// commands
-#define KBD_P1_DISABLE 0xad
-#define KBD_P1_ENABLE 0xae
-#define KBD_RD_OPORT 0xd0
-#define KBD_WT_OPORT 0xd1
-
-#ifdef ASM_SRC
-
-// segment descriptor macros for use in assembly source files
-// layout:
-//     .word    lower 16 bits of limit
-//     .word    lower 16 bits of base
-//     .byte    middle 8 bits of base
-//     .byte    type byte
-//     .byte    granularity byte
-//     .byte    upper 8 bits of base
-// we use 4K units, so we ignore the lower 12 bits of the limit
-#define SEGNULL .word 0, 0, 0, 0
-
-#define SEGMENT(base, limit, dpl, type)                              \
-	.word(((limit) >> 12) & 0xffff);                                 \
-	.word((base) & 0xffff);                                          \
-	.byte(((base) >> 16) & 0xff);                                    \
-	.byte(SEG_PRESENT | (dpl) | SEG_NON_SYSTEM | (type));            \
-	.byte(SEG_GRAN_4KBYTE | SEG_DB_32BIT | (((limit) >> 28) & 0xf)); \
-	.byte(((base) >> 24) & 0xff)
-
-#endif /* ASM_SRC */
-
-#endif