Merge pull request #40 from streaksu/master

Add a unified test image for stivale1 and stivale2 for both x86_64 and i386
This commit is contained in:
mint 2020-09-30 00:35:58 +02:00 committed by GitHub
commit 53eb16b835
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9 changed files with 322 additions and 76 deletions

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@ -8,7 +8,7 @@ all: stage2 decompressor
gzip -n -9 < stage2/stage2.bin > stage2/stage2.bin.gz
cd bootsect && nasm bootsect.asm -fbin -o ../limine.bin
clean: stage2-clean decompressor-clean
clean: stage2-clean decompressor-clean test-clean
rm -f stage2/stage2.bin.gz
stage2:
@ -23,6 +23,9 @@ decompressor:
decompressor-clean:
$(MAKE) -C decompressor clean
test-clean:
$(MAKE) -C test clean
toolchain:
cd toolchain && ./make_toolchain.sh -j`nproc`

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@ -1,3 +1,22 @@
test.elf: test.asm linker.ld
nasm test.asm -felf64 -o test.o
ld test.o -no-pie -nostdlib -T ./linker.ld -o test.elf
TARGET := test.elf
CC = cc
CFLAGS = -O2
LD = ld
QEMU = qemu-system-x86_64
QEMUFLAGS = -m 1G -enable-kvm -cpu host
LDINTERNALFLAGS := -Tlinker.ld -static -nostdlib -no-pie
INTERNALCFLAGS := -I../stivale -I. -ffreestanding -fno-stack-protector \
-fno-pic -fomit-frame-pointer -mno-80387 -mno-mmx -mno-3dnow -mno-sse \
-mno-sse2 -masm=intel
all: $(TARGET)
$(TARGET): stivale.o stivale2.o e9print.o
$(LD) $(LDINTERNALFLAGS) stivale.o stivale2.o e9print.o -o $@
%.o: %.c
$(CC) $(CFLAGS) $(INTERNALCFLAGS) -c $< -o $@
clean:
rm -rf $(TARGET) stivale.o stivale2.o e9print.o

82
test/e9print.c Normal file
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@ -0,0 +1,82 @@
#include <e9print.h>
#include <stddef.h>
static const char CONVERSION_TABLE[] = "0123456789abcdef";
void e9_putc(char c) {
asm volatile ("out dx, al" :: "a" (c), "d" (0xE9) : "memory");
}
void e9_print(const char *msg) {
for (size_t i = 0; msg[i]; i++) {
e9_putc(msg[i]);
}
}
void e9_puts(const char *msg) {
e9_print(msg);
e9_putc('\n');
}
static void e9_printhex(size_t num) {
int i;
char buf[17];
if (!num) {
e9_print("0x0");
return;
}
buf[16] = 0;
for (i = 15; num; i--) {
buf[i] = CONVERSION_TABLE[num % 16];
num /= 16;
}
i++;
e9_print("0x");
e9_print(&buf[i]);
}
static void e9_printdec(size_t num) {
int i;
char buf[21] = {0};
if (!num) {
e9_putc('0');
return;
}
for (i = 19; num; i--) {
buf[i] = (num % 10) + 0x30;
num = num / 10;
}
i++;
e9_print(buf + i);
}
void e9_printf(const char *format, ...) {
va_list argp;
va_start(argp, format);
while (*format != '\0') {
if (*format == '%') {
format++;
if (*format == 'x') {
e9_printhex(va_arg(argp, size_t));
} else if (*format == 'd') {
e9_printdec(va_arg(argp, size_t));
} else if (*format == 's') {
e9_print(va_arg(argp, char*));
}
} else {
e9_putc(*format);
}
format++;
}
e9_putc('\n');
va_end(argp);
}

8
test/e9print.h Normal file
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@ -0,0 +1,8 @@
#pragma once
#include <stdarg.h>
void e9_putc(char c);
void e9_print(const char *msg);
void e9_puts(const char *msg);
void e9_printf(const char *format, ...);

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@ -1,4 +1,4 @@
DEFAULT_ENTRY=2
DEFAULT_ENTRY=0
TIMEOUT=3
GRAPHICS=yes
@ -16,26 +16,16 @@ THEME_MARGIN=64
BACKGROUND_PARTITION=0
BACKGROUND_PATH=bg.bmp
:MyOS 0
PROTOCOL=stivale2
:Stivale Test
PROTOCOL=stivale
KERNEL_PARTITION=0
KERNEL_PATH=boot/test.elf
KERNEL_CMDLINE=something
KERNEL_CMDLINE=Hi! This is an example!
:MyOS 1
:Stivale2 Test
PROTOCOL=stivale2
KERNEL_PARTITION=0
KERNEL_PATH=boot/test.elf
KERNEL_CMDLINE=something
:MyOS 2
PROTOCOL=stivale2
KERNEL_PARTITION=0
KERNEL_PATH=boot/test.elf
KERNEL_CMDLINE=something
KERNEL_CMDLINE=Woah! Another example!

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@ -1,26 +1,37 @@
ENTRY(_start)
ENTRY(stivale_main)
SECTIONS {
. = 0xffffffff80100000;
SECTIONS
{
. = 0x100000;
.stivalehdr : ALIGN(4K) {
*(.stivalehdr)
.stivalehdr ALIGN(4K) :
{
KEEP(*(.stivalehdr))
}
.text : ALIGN(4K) {
*(.text*)
.stivale2hdr ALIGN(4K) :
{
KEEP(*(.stivale2hdr))
}
.rodata : ALIGN(4K) {
*(.rodata*)
.text ALIGN(4K) :
{
KEEP(*(.text*))
}
.data : ALIGN(4K) {
*(.data*)
.rodata ALIGN(4K) :
{
KEEP(*(.rodata*))
}
.bss : ALIGN(4K) {
*(.bss*)
*(COMMON)
.data ALIGN(4K) :
{
KEEP(*(.data*))
}
.bss ALIGN(4K) :
{
KEEP(*(COMMON))
KEEP(*(.bss*))
}
}

51
test/stivale.c Normal file
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@ -0,0 +1,51 @@
#include <stivale.h>
#include <stdint.h>
#include <e9print.h>
#include <stddef.h>
static uint8_t stack[4096] = {0};
void stivale_main(struct stivale_struct *info);
__attribute__((section(".stivalehdr"), used))
struct stivale_header header = {
.stack = (uint64_t)(uintptr_t)stack + sizeof(stack),
.framebuffer_bpp = 0,
.framebuffer_width = 0,
.framebuffer_height = 0,
.flags = 1,
.entry_point = (uint64_t)(uintptr_t)stivale_main
};
void stivale_main(struct stivale_struct *info) {
// Print some info.
e9_puts("Stivale information passed to the kernel:");
e9_printf("Cmdline: %s", (char*)info->cmdline);
e9_printf("Memory map at %x with contents:", info->memory_map_addr);
struct stivale_mmap_entry *memmap = ((struct stivale_mmap_entry *)(info->memory_map_addr));
for (size_t i = 0; i < info->memory_map_entries; i++) {
struct stivale_mmap_entry e = memmap[i];
e9_printf("\tEntry %d: [%x+%x] %x", i, e.base, e.length, e.type);
}
e9_printf("Framebuffer at %x with specifics:", info->framebuffer_addr);
e9_printf("\tPitch: %d", info->framebuffer_pitch);
e9_printf("\tWidth: %d", info->framebuffer_width);
e9_printf("\tHeight: %d", info->framebuffer_height);
e9_printf("\tBPP: %d", info->framebuffer_bpp);
e9_printf("RSDP at %x", info->rsdp);
e9_printf("Module map at %x with modules:", info->modules);
struct stivale_module *modules = ((struct stivale_module *)(info->modules));
for (size_t i = 0; i < info->module_count; i++) {
struct stivale_module e = *modules;
e9_printf("\tModule %d: [%x+%x] %s", i, e.begin, e.end, e.string);
modules = (struct stivale_module *)e.next;
}
e9_printf("Epoch is %x", info->epoch);
e9_printf("Flags are %x", info->flags);
// Guru meditation.
for (;;);
}

124
test/stivale2.c Normal file
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@ -0,0 +1,124 @@
#include <stivale2.h>
#include <stdint.h>
#include <e9print.h>
#include <stddef.h>
static uint8_t stack[4096] = {0};
void stivale2_main(struct stivale2_struct *info);
struct stivale2_header_tag_smp smp_request = {
.tag = {
.identifier = STIVALE2_HEADER_TAG_SMP_ID,
.next = 0
},
.flags = 0
};
struct stivale2_header_tag_framebuffer framebuffer_request = {
.tag = {
.identifier = STIVALE2_HEADER_TAG_FRAMEBUFFER_ID,
.next = (uint64_t)&smp_request
},
.framebuffer_width = 0,
.framebuffer_height = 0,
.framebuffer_bpp = 0,
};
__attribute__((section(".stivale2hdr"), used))
struct stivale2_header header2 = {
.entry_point = (uint64_t)stivale2_main,
.stack = (uintptr_t)stack + sizeof(stack),
.flags = 0,
.tags = (uint64_t)&framebuffer_request
};
void stivale2_main(struct stivale2_struct *info) {
// Print stuff.
e9_puts("Stivale2 info passed to the kernel:");
e9_printf("Bootloader brand: %s", info->bootloader_brand);
e9_printf("Bootloader version: %s", info->bootloader_version);
// Print the tags.
struct stivale2_tag *tag = (struct stivale2_tag *)info->tags;
while (tag != NULL) {
switch (tag->identifier) {
case STIVALE2_STRUCT_TAG_CMDLINE_ID: {
struct stivale2_struct_tag_cmdline *c = (struct stivale2_struct_tag_cmdline *)tag;
e9_puts("Commandline tag:");
e9_printf("\tCmdline: %s", (char*)(c->cmdline));
break;
}
case STIVALE2_STRUCT_TAG_MEMMAP_ID: {
struct stivale2_struct_tag_memmap *m = (struct stivale2_struct_tag_memmap *)tag;
e9_puts("Memmap tag:");
e9_printf("\tEntries: %d", m->entries);
for (size_t i = 0; i < m->entries; i++) {
struct stivale2_mmap_entry me = m->memmap[i];
e9_printf("\t\t[%x+%x] %x", me.base, me.length, me.type);
}
break;
}
case STIVALE2_STRUCT_TAG_FRAMEBUFFER_ID: {
struct stivale2_struct_tag_framebuffer *f = (struct stivale2_struct_tag_framebuffer *)tag;
e9_puts("Framebuffer tag:");
e9_printf("\tAddress: %x", f->framebuffer_addr);
e9_printf("\tWidth: %d", f->framebuffer_width);
e9_printf("\tHeight: %d", f->framebuffer_height);
e9_printf("\tPitch: %d", f->framebuffer_pitch);
e9_printf("\tBPP: %d", f->framebuffer_bpp);
break;
}
case STIVALE2_STRUCT_TAG_MODULES_ID: {
struct stivale2_struct_tag_modules *m = (struct stivale2_struct_tag_modules *)tag;
e9_puts("Modules tag:");
e9_printf("\tCount: %d", m->module_count);
for (size_t i = 0; i < m->module_count; i++) {
struct stivale2_module me = m->modules[i];
e9_printf("\t\t[%x+%x] %s", me.begin, me.end, me.string);
}
break;
}
case STIVALE2_STRUCT_TAG_RSDP_ID: {
struct stivale2_struct_tag_rsdp *r = (struct stivale2_struct_tag_rsdp *)tag;
e9_puts("RSDP tag:");
e9_printf("\tRSDP: %x", r->rsdp);
break;
}
case STIVALE2_STRUCT_TAG_EPOCH_ID: {
struct stivale2_struct_tag_epoch *e = (struct stivale2_struct_tag_epoch *)tag;
e9_puts("Epoch tag:");
e9_printf("\tEpoch: %x", e->epoch);
break;
}
case STIVALE2_STRUCT_TAG_FIRMWARE_ID: {
struct stivale2_struct_tag_firmware *f = (struct stivale2_struct_tag_firmware *)tag;
e9_puts("Firmware tag:");
e9_printf("\tFlags: %x", f->flags);
break;
}
case STIVALE2_STRUCT_TAG_SMP_ID: {
struct stivale2_struct_tag_smp *s = (struct stivale2_struct_tag_smp *)tag;
e9_puts("SMP tag:");
e9_printf("\tFlags: %x", s->flags);
e9_printf("\tCPU Count: %d", s->cpu_count);
for (size_t i = 0; i < s->cpu_count; i++) {
struct stivale2_smp_info in = s->smp_info[i];
e9_printf("\t\tProcessor ID: %d", in.processor_id);
e9_printf("\t\tLAPIC ID: %d", in.lapic_id);
e9_printf("\t\tTarget Stack: %x", in.target_stack);
e9_printf("\t\tGOTO Address: %x", in.goto_address);
e9_printf("\t\tExtra Argument: %x", in.extra_argument);
}
break;
}
default:
e9_printf("BUG: Unidentifier tag %x", tag->identifier);
}
tag = (struct stivale2_tag *)tag->next;
}
// Enter our sublime pale slumber.
for (;;);
}

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@ -1,42 +0,0 @@
; This is a compliant "kernel" meant for testing purposes.
; Header
section .stivale2hdr
stivale_header:
dq 0 ; entry point
dq stack.top ; rsp
dq 0 ; flags
dq lv5 ; tags
section .rodata
lv5:
dq 0x932f477032007e8f
dq smp
smp:
dq 0x1ab015085f3273df
dq 0
dq 1
section .bss
stack:
resb 4096
.top:
section .text
; Entry point
global _start
_start:
mov rax, 'h e l l '
mov rbx, 'o w o '
mov rcx, 'r l d '
mov rdx, 0xb8000
mov [rdx], rax
mov [rdx+8], rbx
mov [rdx+16], rcx
jmp $