Added a x86_64 port. doesn't work as of yet
This commit is contained in:
Morten Delenk
parent
e2a334bb44
commit
ca34003648
15 changed files with 710 additions and 17 deletions
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@ -3,9 +3,9 @@ CC=$(PREFIX)gcc
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LD=$(PREFIX)ld
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SRCS = $(shell find . -name '*.[cS]')
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OBJS = $(addsuffix .o,$(basename $(SRCS)))
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ASFLAGS = -m32
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CFLAGS += -m32 -fno-stack-protector -nostdinc -ffreestanding -std=c11 -fno-builtin -w -Werror -nostdlib -fpie
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LDFLAGS = -T loader.ld
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ASFLAGS =
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CFLAGS += -fno-stack-protector -nostdinc -ffreestanding -std=c11 -fno-builtin -w -Werror -nostdlib -fpie
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LDFLAGS += -T loader.ld
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all: $(OBJS)
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$(LD) $(LDFLAGS) -o loader.bin $(OBJS)
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@ -1,13 +1,14 @@
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ENTRY(_start)
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OUTPUT_FORMAT(elf32-i386)
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OUTPUT_ARCH(i386:i386)
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SECTIONS
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{
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. = 0x100000;
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kernel_start = .;
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.bootstrap : {
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*(multiboot)
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boot.S (.text)
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}
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.text : {
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*(multiboot)
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*(.text)
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*(EXCLUDE_FILE(*boot.S) .text)
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}
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.data : {
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start_ctors = .;
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16
boot/x86_64/Makefile
Normal file
16
boot/x86_64/Makefile
Normal file
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@ -0,0 +1,16 @@
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include ../../kernel.settings
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CC=$(PREFIX)gcc
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LD=$(PREFIX)ld
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SRCS = $(shell find . -name '*.[cS]')
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OBJS = $(addsuffix .o,$(basename $(SRCS)))
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ASFLAGS =
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CFLAGS += -fno-stack-protector -nostdinc -ffreestanding -std=c11 -fno-builtin -w -Werror -nostdlib -fpie
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LDFLAGS += -T loader.ld
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all: $(OBJS)
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$(LD) $(LDFLAGS) -o loader.bin $(OBJS)
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%.o: %.c
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$(CC) $(CFLAGS) -c -o $@ $^
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%.o: %.S
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$(CC) $(ASFLAGS) -c -o $@ $^
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147
boot/x86_64/boot.S
Normal file
147
boot/x86_64/boot.S
Normal file
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@ -0,0 +1,147 @@
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.code32
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.section multiboot
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#define MB_MAGIC 0x1BADB002
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#define MB_FLAGS 0x0
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#define MB_CHECKSUM -(MB_MAGIC + MB_FLAGS)
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.align 4
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.int MB_MAGIC
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.int MB_FLAGS
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.int MB_CHECKSUM
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.int 0,0,0,0,0
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.int 0
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.int 1024, 768, 32
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.section .text
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.extern init
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.global _start
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_start:
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cli
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finit
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mov $mb_ptr, %edi
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stosl
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mov %ebx, %eax
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stosl //Temponarily store both multiboot header pointer and multiboot
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mov $kernel_stack, %esp
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mov $0x80000001, %eax //Check if Long Mode is supported
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cpuid
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and $0x20000000, %edx
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jz x86_64_err
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xor %eax, %eax //Check if PAE is supported
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inc %eax
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cpuid
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and $0x40, %dl
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jz x86_64_err
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jmp x86_64_OK
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x86_64_err:
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cli
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hlt
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jmp x86_64_err
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x86_64_OK:
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//Fill one entry of both the pagemap L4 and the Pagedir PT
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mov $pmfill, %esi
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mov $pagemapL4, %edi
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lodsl
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stosl
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lodsl
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stosl
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mov $pagedirPT, %edi
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lodsl
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stosl
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lodsl
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stosl
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lodsl
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stosl
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lodsl
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stosl
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lodsl
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stosl
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lodsl
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stosl
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lodsl
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stosl
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lodsl
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stosl
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//Activate PAE
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mov %cr4, %eax
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or $0x20, %al
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mov %eax, %cr4
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//Activate x86_64
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mov $0xC0000080, %ecx
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rdmsr
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or $0x00000100, %eax
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wrmsr
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//Load Page Table
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mov $pagemapL4, %eax
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mov %eax, %cr3
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//Activate Paging
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mov %cr0, %eax
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bswap %eax
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or $0x80, %al
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bswap %eax
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mov %eax, %cr0
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//Jump to x86_64loader
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lgdt gdtr
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jmp $0x18, $start
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.code64
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//extern "C" void init(uint32_t eax, multiboot_info * ebx, uint64_t **** pt);
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.global init
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start:
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xor %rax, %rax
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mov $mb_ptr, %rsi
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lodsl
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mov %rax, %rdi
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lodsl
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mov %rax, %rsi
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mov $pagemapL4, %rdx
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call init
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stop:
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cli
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hlt
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jmp stop
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.section .data
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gdt:
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//NULL-descriptor
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.quad 0
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//32-bit code
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.word 0xFFFF
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.word 0x0000
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.byte 0x00
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.byte 0x98
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.byte 0xCF
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.byte 0x00
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//data
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.word 0xFFFF
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.word 0x0000
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.byte 0x00
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.byte 0x92
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.byte 0xCF
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.byte 00
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//64-bit code
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.int 0
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.byte 0
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.byte 0x98
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.byte 0x20
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.byte 0
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gdtr:
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.word 4 * 8
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.int gdt
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pmfill:
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.int pagedirPT + 0x7
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.int 0
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pdptfill:
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.quad 0x87
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.quad 0x40000087
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.quad 0x80000087
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.quad 0xC0000087
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.section .bss
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mb_ptr:
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// These 8 Bytes will never be used when the stack comes near it
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.space 4096
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kernel_stack:
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.align 4096
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pagemapL4:
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.space 4096
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pagedirPT:
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.space 4096
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60
boot/x86_64/init.c
Normal file
60
boot/x86_64/init.c
Normal file
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@ -0,0 +1,60 @@
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// firmloader for x86
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#include "multiboot.h"
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/**
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* \struct FIRM_sect
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* \brief Contains one section of the FIRM format
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*/
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struct FIRM_sect {
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unsigned int offset; //! Offset in file (bytes)
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unsigned int physical; //! Physical address, where the section is copied to
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unsigned int size; //! Size of section
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unsigned int arm11; //! currently unused
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unsigned char SHA256[0x20]; //! Currently unused
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}__attribute__((packed));
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/**
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* \struct FIRM_header
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* \brief Contains the first sector of every FIRM file.
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*/
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struct FIRM_header {
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char magic[4]; //! Magic "FIRM" string (not-null terminated)
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int version; //! Version. Currently 1
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unsigned int entrypoint; //! Address where the processor jumps to after loading
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unsigned int reserved[0xD];
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struct FIRM_sect sections[4]; //! The four internal sections
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unsigned char RSA2048[0x100]; //! Currently unused
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}__attribute__((packed));
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/**
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* \brief Module table for the kernel (Up to 1024 mods)
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*/
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void *modtable[1024];
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/**
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* \fn init(int, struct multiboot_info*)
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* \brief This routine is called by boot.S
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* This routine is called by boot.S.
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* It loads and jumps to a FIRM binary.
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*/
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void init(int eax, struct multiboot_info* mb_info) {
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multiboot_module_t *mods = (multiboot_module_t *) mb_info->mods_addr;
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for(unsigned int i=0;i<mb_info->mods_count;i++) { //Get modules
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modtable[i]=(void*)mods[i].mod_start;
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}
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modtable[mb_info->mods_count]=0;
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for(unsigned int i=0;i<mb_info->mods_count;i++) {
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struct FIRM_header *firm=(struct FIRM_header*)(mods[i].mod_start);
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if((firm->magic[0]!='F')||(firm->magic[1]!='I')||(firm->magic[2]!='R')||(firm->magic[3]!='M'))
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continue;
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//We found a FIRM!
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for(int j=0;j<4;j++) {
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if(!firm->sections[j].size)
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continue;
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unsigned char* from=(char*)(mods[i].mod_start+firm->sections[j].offset);
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unsigned char* to=(char*)(firm->sections[j].physical);
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unsigned int size=firm->sections[j].size;
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while(size--) {
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*to++=*from++;
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}
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}
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void(*entry)(void**)=(void(*)(void**))firm->entrypoint;
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entry(modtable); //Jump to kernel
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}
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}
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30
boot/x86_64/loader.ld
Normal file
30
boot/x86_64/loader.ld
Normal file
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@ -0,0 +1,30 @@
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ENTRY(_start)
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OUTPUT_FORMAT(elf64-x86-64)
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OUTPUT_ARCH(i386:x86-64)
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SECTIONS
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{
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. = 0x100000;
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kernel_start = .;
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.text : {
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*(multiboot)
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*(.text)
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}
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.data : {
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start_ctors = .;
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KEEP(*( .init_array ));
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KEEP(*(SORT_BY_INIT_PRIORITY( .init_array.* )));
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*(.ctors)
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end_ctors = .;
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start_dtors = .;
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*(.dtors)
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end_dtors = .;
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*(.data)
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}
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.rodata : {
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*(.rodata)
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}
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.bss : {
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*(.bss)
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}
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kernel_end = .;
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}
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309
boot/x86_64/multiboot.h
Normal file
309
boot/x86_64/multiboot.h
Normal file
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@ -0,0 +1,309 @@
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/* multiboot.h - Multiboot header file. */
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/* Copyright (C) 1999,2003,2007,2008,2009,2010 Free Software Foundation, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ANY
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* DEVELOPER OR DISTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef MULTIBOOT_HEADER
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#define MULTIBOOT_HEADER 1
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/* How many bytes from the start of the file we search for the header. */
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#define MULTIBOOT_SEARCH 8192
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#define MULTIBOOT_HEADER_ALIGN 4
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/* The magic field should contain this. */
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#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
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/* This should be in %eax. */
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#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
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/* Alignment of multiboot modules. */
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#define MULTIBOOT_MOD_ALIGN 0x00001000
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/* Alignment of the multiboot info structure. */
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#define MULTIBOOT_INFO_ALIGN 0x00000004
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/* Flags set in the 'flags' member of the multiboot header. */
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/* Align all boot modules on i386 page (4KB) boundaries. */
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#define MULTIBOOT_PAGE_ALIGN 0x00000001
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/* Must pass memory information to OS. */
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#define MULTIBOOT_MEMORY_INFO 0x00000002
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/* Must pass video information to OS. */
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#define MULTIBOOT_VIDEO_MODE 0x00000004
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/* This flag indicates the use of the address fields in the header. */
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#define MULTIBOOT_AOUT_KLUDGE 0x00010000
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/* Flags to be set in the 'flags' member of the multiboot info structure. */
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/* is there basic lower/upper memory information? */
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#define MULTIBOOT_INFO_MEMORY 0x00000001
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/* is there a boot device set? */
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#define MULTIBOOT_INFO_BOOTDEV 0x00000002
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/* is the command-line defined? */
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#define MULTIBOOT_INFO_CMDLINE 0x00000004
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/* are there modules to do something with? */
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#define MULTIBOOT_INFO_MODS 0x00000008
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/* These next two are mutually exclusive */
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/* is there a symbol table loaded? */
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#define MULTIBOOT_INFO_AOUT_SYMS 0x00000010
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/* is there an ELF section header table? */
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#define MULTIBOOT_INFO_ELF_SHDR 0X00000020
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/* is there a full memory map? */
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#define MULTIBOOT_INFO_MEM_MAP 0x00000040
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/* Is there drive info? */
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#define MULTIBOOT_INFO_DRIVE_INFO 0x00000080
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/* Is there a config table? */
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#define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100
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/* Is there a boot loader name? */
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#define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200
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/* Is there a APM table? */
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#define MULTIBOOT_INFO_APM_TABLE 0x00000400
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/* Is there video information? */
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#define MULTIBOOT_INFO_VBE_INFO 0x00000800
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#define MULTIBOOT_INFO_FRAMEBUFFER_INFO 0x00001000
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#ifndef ASM_FILE
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typedef unsigned char multiboot_uint8_t;
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typedef unsigned short multiboot_uint16_t;
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typedef unsigned int multiboot_uint32_t;
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typedef unsigned long long multiboot_uint64_t;
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struct multiboot_header
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{
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/* Must be MULTIBOOT_MAGIC - see above. */
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multiboot_uint32_t magic;
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/* Feature flags. */
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multiboot_uint32_t flags;
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/* The above fields plus this one must equal 0 mod 2^32. */
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multiboot_uint32_t checksum;
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/* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
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multiboot_uint32_t header_addr;
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multiboot_uint32_t load_addr;
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multiboot_uint32_t load_end_addr;
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multiboot_uint32_t bss_end_addr;
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multiboot_uint32_t entry_addr;
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/* These are only valid if MULTIBOOT_VIDEO_MODE is set. */
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multiboot_uint32_t mode_type;
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multiboot_uint32_t width;
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multiboot_uint32_t height;
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multiboot_uint32_t depth;
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};
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/* The symbol table for a.out. */
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struct multiboot_aout_symbol_table
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{
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multiboot_uint32_t tabsize;
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multiboot_uint32_t strsize;
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multiboot_uint32_t addr;
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multiboot_uint32_t reserved;
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};
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typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
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/* The section header table for ELF. */
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struct multiboot_elf_section_header_table
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{
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multiboot_uint32_t num;
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multiboot_uint32_t size;
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multiboot_uint32_t addr;
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multiboot_uint32_t shndx;
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};
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typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t;
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struct multiboot_info
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{
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/* Multiboot info version number */
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multiboot_uint32_t flags;
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/* Available memory from BIOS */
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multiboot_uint32_t mem_lower;
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multiboot_uint32_t mem_upper;
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/* "root" partition */
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multiboot_uint32_t boot_device;
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/* Kernel command line */
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multiboot_uint32_t cmdline;
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/* Boot-Module list */
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multiboot_uint32_t mods_count;
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multiboot_uint32_t mods_addr;
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union
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{
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multiboot_aout_symbol_table_t aout_sym;
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multiboot_elf_section_header_table_t elf_sec;
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} u;
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/* Memory Mapping buffer */
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multiboot_uint32_t mmap_length;
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multiboot_uint32_t mmap_addr;
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/* Drive Info buffer */
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multiboot_uint32_t drives_length;
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multiboot_uint32_t drives_addr;
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/* ROM configuration table */
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multiboot_uint32_t config_table;
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/* Boot Loader Name */
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||||
multiboot_uint32_t boot_loader_name;
|
||||
|
||||
/* APM table */
|
||||
multiboot_uint32_t apm_table;
|
||||
|
||||
/* Video */
|
||||
multiboot_uint32_t vbe_control_info;
|
||||
multiboot_uint32_t vbe_mode_info;
|
||||
multiboot_uint16_t vbe_mode;
|
||||
multiboot_uint16_t vbe_interface_seg;
|
||||
multiboot_uint16_t vbe_interface_off;
|
||||
multiboot_uint16_t vbe_interface_len;
|
||||
|
||||
multiboot_uint64_t framebuffer_addr;
|
||||
multiboot_uint32_t framebuffer_pitch;
|
||||
multiboot_uint32_t framebuffer_width;
|
||||
multiboot_uint32_t framebuffer_height;
|
||||
multiboot_uint8_t framebuffer_bpp;
|
||||
#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
|
||||
#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
|
||||
#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
|
||||
multiboot_uint8_t framebuffer_type;
|
||||
union
|
||||
{
|
||||
struct
|
||||
{
|
||||
multiboot_uint32_t framebuffer_palette_addr;
|
||||
multiboot_uint16_t framebuffer_palette_num_colors;
|
||||
};
|
||||
struct
|
||||
{
|
||||
multiboot_uint8_t framebuffer_red_field_position;
|
||||
multiboot_uint8_t framebuffer_red_mask_size;
|
||||
multiboot_uint8_t framebuffer_green_field_position;
|
||||
multiboot_uint8_t framebuffer_green_mask_size;
|
||||
multiboot_uint8_t framebuffer_blue_field_position;
|
||||
multiboot_uint8_t framebuffer_blue_mask_size;
|
||||
};
|
||||
};
|
||||
};
|
||||
typedef struct multiboot_info multiboot_info_t;
|
||||
|
||||
struct multiboot_color
|
||||
{
|
||||
multiboot_uint8_t red;
|
||||
multiboot_uint8_t green;
|
||||
multiboot_uint8_t blue;
|
||||
};
|
||||
|
||||
struct multiboot_mmap_entry
|
||||
{
|
||||
multiboot_uint32_t size;
|
||||
multiboot_uint64_t addr;
|
||||
multiboot_uint64_t len;
|
||||
#define MULTIBOOT_MEMORY_AVAILABLE 1
|
||||
#define MULTIBOOT_MEMORY_RESERVED 2
|
||||
#define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3
|
||||
#define MULTIBOOT_MEMORY_NVS 4
|
||||
#define MULTIBOOT_MEMORY_BADRAM 5
|
||||
multiboot_uint32_t type;
|
||||
} __attribute__((packed));
|
||||
typedef struct multiboot_mmap_entry multiboot_memory_map_t;
|
||||
|
||||
struct multiboot_mod_list
|
||||
{
|
||||
/* the memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive */
|
||||
multiboot_uint32_t mod_start;
|
||||
multiboot_uint32_t mod_end;
|
||||
|
||||
/* Module command line */
|
||||
multiboot_uint32_t cmdline;
|
||||
|
||||
/* padding to take it to 16 bytes (must be zero) */
|
||||
multiboot_uint32_t pad;
|
||||
};
|
||||
typedef struct multiboot_mod_list multiboot_module_t;
|
||||
|
||||
/* APM BIOS info. */
|
||||
struct multiboot_apm_info
|
||||
{
|
||||
multiboot_uint16_t version;
|
||||
multiboot_uint16_t cseg;
|
||||
multiboot_uint32_t offset;
|
||||
multiboot_uint16_t cseg_16;
|
||||
multiboot_uint16_t dseg;
|
||||
multiboot_uint16_t flags;
|
||||
multiboot_uint16_t cseg_len;
|
||||
multiboot_uint16_t cseg_16_len;
|
||||
multiboot_uint16_t dseg_len;
|
||||
};
|
||||
struct MODE_INFO
|
||||
{
|
||||
unsigned short ModeAttributes ;
|
||||
unsigned char WinAAttributes ;
|
||||
unsigned char WinBAttributes ;
|
||||
unsigned short WinGranularity ;
|
||||
unsigned short WinSize ;
|
||||
unsigned short WinASegment ;
|
||||
unsigned short WinBSegment ;
|
||||
unsigned int WinFuncPtr ;
|
||||
unsigned short BytesPerScanLine ;
|
||||
unsigned short XResolution ;
|
||||
unsigned short YResolution ;
|
||||
unsigned char XCharSize ;
|
||||
unsigned char YCharSize ;
|
||||
unsigned char NumberOfPlanes ;
|
||||
unsigned char BitsPerPixel ;
|
||||
unsigned char NumberOfBanks ;
|
||||
unsigned char MemoryModel ;
|
||||
unsigned char BankSize ;
|
||||
unsigned char NumberOfImagePages ;
|
||||
unsigned char Reserved_page ;
|
||||
unsigned char RedMaskSize ;
|
||||
unsigned char RedMaskPos ;
|
||||
unsigned char GreenMaskSize ;
|
||||
unsigned char GreenMaskPos ;
|
||||
unsigned char BlueMaskSize ;
|
||||
unsigned char BlueMaskPos ;
|
||||
unsigned char ReservedMaskSize ;
|
||||
unsigned char ReservedMaskPos ;
|
||||
unsigned char DirectColorModeInfo ;
|
||||
unsigned int PhysBasePtr ;
|
||||
unsigned int OffScreenMemOffset ;
|
||||
unsigned short OffScreenMemSize ;
|
||||
unsigned char Reserved[206] ;
|
||||
}__attribute__ ((packed));
|
||||
#endif /* ! ASM_FILE */
|
||||
|
||||
#endif /* ! MULTIBOOT_HEADER */
|
||||
|
|
@ -1,15 +1,17 @@
|
|||
arch = x86
|
||||
arch = x86_64
|
||||
MODE = debug
|
||||
export PATH := $(HOME)/opt/bin:$(PATH)
|
||||
LDFLAGS =
|
||||
ifeq ($(arch),x86)
|
||||
PREFIX = i686-mtgos-
|
||||
libpath = i686-mtgos
|
||||
ARCHFLAGS = -m32
|
||||
else
|
||||
ifeq ($(arch),x86_64)
|
||||
PREFIX = x86_64-elf-
|
||||
libpath = x86_64-elf
|
||||
ARCHFLAGS = -m64
|
||||
PREFIX = x86_64-mtgos-
|
||||
libpath = x86_64-mtgos
|
||||
ARCHFLAGS = -m64 -mno-red-zone
|
||||
LDFLAGS += -z max-page-size=0x1000
|
||||
else
|
||||
ifeq ($(arch),3ds)
|
||||
PREFIX = arm-none-eabi-
|
||||
|
|
|
|||
|
|
@ -6,9 +6,9 @@ CPP = $(PREFIX)g++
|
|||
CC = $(PREFIX)gcc
|
||||
LD = $(PREFIX)g++
|
||||
|
||||
CFLAGS += -m32 -Wall -fno-stack-protector -nostdinc -Ic_include/ -I../c_include -ffreestanding -std=c11 -fno-builtin -Werror -nostdlib -g -fpie
|
||||
CPPFLAGS += -m32 -Wall -fno-stack-protector -nostdinc -std=c++14 -Iinclude/ -Ic_include/ -I../c_include -I../include -fno-rtti -fno-exceptions -ffreestanding -fno-builtin -Werror -nostdlib -fno-use-cxa-atexit -Wextra -Wno-unused -g -fno-pie -Wno-reorder -fdump-class-hierarchy
|
||||
LDFLAGS = -nostdlib -nodefaultlibs -nostdlib -fno-builtin $(ARCHFLAGS) -T loader.ld
|
||||
CFLAGS += -Wall -fno-stack-protector -nostdinc -Ic_include/ -I../c_include -ffreestanding -std=c11 -fno-builtin -Werror -nostdlib -g -fpie
|
||||
CPPFLAGS += -Wall -fno-stack-protector -nostdinc -std=c++14 -Iinclude/ -Ic_include/ -I../c_include -I../include -fno-rtti -fno-exceptions -ffreestanding -fno-builtin -Werror -nostdlib -fno-use-cxa-atexit -Wextra -Wno-unused -g -fno-pie -Wno-reorder -fdump-class-hierarchy
|
||||
LDFLAGS += -nostdlib -nodefaultlibs -nostdlib -fno-builtin -T loader.ld
|
||||
all: $(OBJS)
|
||||
$(LD) $(LDFLAGS) -o mtgos.elf $(OBJS) -lgcc
|
||||
%.o: %.cpp
|
||||
|
|
|
|||
|
|
@ -6,9 +6,9 @@ CPP = $(PREFIX)g++
|
|||
CC = $(PREFIX)gcc
|
||||
LD = $(PREFIX)g++
|
||||
|
||||
CFLAGS += -m32 -Wall -fno-stack-protector -nostdinc -Ic_include/ -I../../../../c_include -ffreestanding -std=c11 -fno-builtin -Werror -nostdlib -g -fpic
|
||||
CPPFLAGS += -m32 -Wall -fno-stack-protector -nostdinc -std=c++14 -Iinclude/ -Ic_include/ -I../../../../c_include -I../../../../include -fno-rtti -fno-exceptions -ffreestanding -fno-builtin -Werror -nostdlib -fno-use-cxa-atexit -Wextra -Wno-unused -g -fpic -Wno-reorder -fdump-class-hierarchy
|
||||
LDFLAGS = -nostdlib -nodefaultlibs -nostdlib -fno-builtin $(ARCHFLAGS) -T ../../link.ld
|
||||
CFLAGS += -Wall -fno-stack-protector -nostdinc -Ic_include/ -I../../../../c_include -ffreestanding -std=c11 -fno-builtin -Werror -nostdlib -g -fpic
|
||||
CPPFLAGS += -Wall -fno-stack-protector -nostdinc -std=c++14 -Iinclude/ -Ic_include/ -I../../../../c_include -I../../../../include -fno-rtti -fno-exceptions -ffreestanding -fno-builtin -Werror -nostdlib -fno-use-cxa-atexit -Wextra -Wno-unused -g -fpic -Wno-reorder -fdump-class-hierarchy
|
||||
LDFLAGS += -nostdlib -nodefaultlibs -nostdlib -fno-builtin -T ../../link.ld
|
||||
all: $(OBJS)
|
||||
$(LD) $(LDFLAGS) -o ../../../../dsp_txt.elf $(OBJS) -lgcc
|
||||
%.o: %.cpp
|
||||
|
|
|
|||
5
modules/x86_64/Makefile
Normal file
5
modules/x86_64/Makefile
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
SUBDIRS = dsp
|
||||
all:
|
||||
for dir in $(SUBDIRS); do \
|
||||
$(MAKE) -C $$dir; \
|
||||
done
|
||||
5
modules/x86_64/dsp/Makefile
Normal file
5
modules/x86_64/dsp/Makefile
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
SUBDIRS = txt
|
||||
all:
|
||||
for dir in $(SUBDIRS); do \
|
||||
$(MAKE) -C $$dir; \
|
||||
done
|
||||
26
modules/x86_64/dsp/txt/Makefile
Normal file
26
modules/x86_64/dsp/txt/Makefile
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
include ../../../../kernel.settings
|
||||
SRCS = $(shell find . -name '*.cpp' -o -name '*.[cS]')
|
||||
OBJS = $(addsuffix .o,$(basename $(SRCS)))
|
||||
|
||||
CPP = $(PREFIX)g++
|
||||
CC = $(PREFIX)gcc
|
||||
LD = $(PREFIX)g++
|
||||
|
||||
CFLAGS += -Wall -fno-stack-protector -nostdinc -Ic_include/ -I../../../../c_include -ffreestanding -std=c11 -fno-builtin -Werror -nostdlib -g -fpic
|
||||
CPPFLAGS += -Wall -fno-stack-protector -nostdinc -std=c++14 -Iinclude/ -Ic_include/ -I../../../../c_include -I../../../../include -fno-rtti -fno-exceptions -ffreestanding -fno-builtin -Werror -nostdlib -fno-use-cxa-atexit -Wextra -Wno-unused -g -fpic -Wno-reorder -fdump-class-hierarchy
|
||||
LDFLAGS += -nostdlib -nodefaultlibs -nostdlib -fno-builtin -T ../../link.ld
|
||||
all: $(OBJS)
|
||||
$(LD) $(LDFLAGS) -o ../../../../dsp_txt.elf $(OBJS) -lgcc
|
||||
%.o: %.cpp
|
||||
$(CPP) $(CPPFLAGS) -c -o $@ $^
|
||||
|
||||
%.o: %.c
|
||||
$(CC) $(CFLAGS) -c -o $@ $^
|
||||
|
||||
%.o: %.S
|
||||
$(CC) $(CFLAGS) -c -o $@ $^
|
||||
|
||||
clean:
|
||||
rm -rf $(OBJS)
|
||||
|
||||
.PHONY: clean all
|
||||
67
modules/x86_64/dsp/txt/init.cpp
Normal file
67
modules/x86_64/dsp/txt/init.cpp
Normal file
|
|
@ -0,0 +1,67 @@
|
|||
#include <moduleinterface.h>
|
||||
#include <base/output.hpp>
|
||||
#include <modstubs.h>
|
||||
int x=0,y=0;
|
||||
uint16_t* vmem = (uint16_t*)0xB8000;
|
||||
namespace MTGos {
|
||||
namespace {
|
||||
/**
|
||||
* \class Screen
|
||||
* \brief Text output to the screen
|
||||
*/
|
||||
class Screen: public Base::Output {
|
||||
public:
|
||||
Screen() {}
|
||||
auto scroll() -> void {
|
||||
for(int p=0;p<80*25;p++)
|
||||
vmem[p]=vmem[p+80];
|
||||
for(int p=80*25; p<81*25; p++)
|
||||
vmem[p]=0x0700;
|
||||
y--;
|
||||
}
|
||||
private:
|
||||
virtual auto putChar(int c) -> void{
|
||||
switch(c) {
|
||||
case '\n':
|
||||
x=0; y++;
|
||||
break;
|
||||
case '\r':
|
||||
x=0;
|
||||
break;
|
||||
case '\b':
|
||||
if(x==0)
|
||||
break;
|
||||
x--;
|
||||
putChar(' '),
|
||||
x--;
|
||||
break;
|
||||
case '\0':
|
||||
break;
|
||||
default:
|
||||
vmem[y*80+(x++)]=((uint16_t)0x0700) | ((uint8_t)c);
|
||||
if(x==80) {
|
||||
x=0; y++;
|
||||
}
|
||||
break;
|
||||
}
|
||||
if(y>25)
|
||||
scroll();
|
||||
}
|
||||
};
|
||||
}
|
||||
}
|
||||
void(*tbl[3])()={(void(*)())&getType,(void(*)())&size_of,(void(*)())&spawnAt};
|
||||
table_type getTable() {
|
||||
doCtors();
|
||||
return (void(**)())&tbl;
|
||||
}
|
||||
auto getType() -> ModType {
|
||||
return ModType::output_text;
|
||||
}
|
||||
auto spawnAt(void* pos) -> bool {
|
||||
new(pos) MTGos::Screen;
|
||||
return true;
|
||||
}
|
||||
auto size_of() -> size_t {
|
||||
return sizeof(MTGos::Screen);
|
||||
}
|
||||
25
modules/x86_64/link.ld
Normal file
25
modules/x86_64/link.ld
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
ENTRY(getTable)
|
||||
OUTPUT_FORMAT(elf32-little)
|
||||
OUTPUT_ARCH(i386:x86-64)
|
||||
SECTIONS
|
||||
{
|
||||
. = 0x108000;
|
||||
module_start = .;
|
||||
.text : {
|
||||
*(.text)
|
||||
*(.text.*)
|
||||
start_ctors = .;
|
||||
KEEP(*( .init_array ));
|
||||
KEEP(*(SORT_BY_INIT_PRIORITY( .init_array.* )));
|
||||
*(.ctors)
|
||||
end_ctors = .;
|
||||
start_dtors = .;
|
||||
*(.dtors)
|
||||
end_dtors = .;
|
||||
*(.data)
|
||||
*(.data.*)
|
||||
*(.rodata)
|
||||
*(.bss)
|
||||
}
|
||||
module_end = .;
|
||||
}
|
||||
Loading…
Reference in a new issue