tristan/ZealOS
1
0
Fork 0
mirror of https://github.com/Zeal-Operating-System/ZealOS.git synced 2024-12-25 23:10:32 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge branch 'limine2' into limine

Browse source
This commit is contained in:
TomAwezome 2022-08-22 02:46:53 -04:00
commit 644a73711e
8 changed files with 134 additions and 88 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
build/build-temp-vm-uefi-1.sh
View file

@ -51,9 +51,15 @@ rm ../src/Home/Registry.ZC 2> /dev/null
rm ../src/Home/MakeHome.ZC 2> /dev/null
mount_tempdisk
sudo cp -r ../src/* $TMPMOUNT
[ ! -d "limine" ] && git clone https://github.com/limine-bootloader/limine.git --branch=v3.0-branch-binary --depth=1
if [ ! -d "limine" ]; then
git clone https://github.com/limine-bootloader/limine.git --branch=v3.0-branch-binary --depth=1
make -C limine
fi
sudo mkdir -p $TMPMOUNT/EFI/BOOT
sudo cp limine/BOOTX64.EFI $TMPMOUNT/EFI/BOOT/BOOTX64.EFI
sudo cp limine/limine.sys $TMPMOUNT/
sudo cp ../zealbooter/zealbooter.elf $TMPMOUNT/Boot/ZealBooter.ELF
umount_tempdisk
@ -69,8 +75,12 @@ if [ ! -d "ovmf" ]; then
cd ..
fi
echo "Testing..."
qemu-system-x86_64 -machine q35,accel=kvm -drive format=raw,file=$TMPDISK -m 1G -rtc base=localtime -bios ovmf/OVMF.fd -no-reboot -no-shutdown
./limine/limine-deploy $TMPDISK
echo "Testing UEFI..."
qemu-system-x86_64 -machine q35,accel=kvm -drive format=raw,file=$TMPDISK -m 1G -rtc base=localtime -bios ovmf/OVMF.fd -smp 4
echo "Testing BIOS..."
qemu-system-x86_64 -machine q35,accel=kvm -drive format=raw,file=$TMPDISK -m 1G -rtc base=localtime -smp 4
echo "Deleting temp folder..."
rm -rf $TMPDIR

9
src/Kernel/KStart16.ZC
View file

@ -33,7 +33,7 @@ MEM_E820:: DU8 MEM_E820_ENTRIES_NUM * sizeof(CMemE820) DUP (0);
MEM_PHYSICAL_SPACE:: DU64 0;
SYS_GDT_PTR:: DU16 sizeof(CGDT) - 1;
DU64 0;
SYS_PCI_BUSES:: DU16 256;
SYS_PCI_BUSES:: DU16 0;
ALIGN 16, OC_NOP
@ -51,7 +51,7 @@ GDT_TR_RING3: DU8 MP_PROCESSORS_NUM * 16 DUP(0);
#assert $$ - SYS_GDT == sizeof(CGDT)
SYS_FONT_PTR:: DU32 0;
/*
SYS_FRAMEBUFFER::
SYS_FRAMEBUFFER_ADDR: DU8 sizeof(U8 *);
SYS_FRAMEBUFFER_WIDTH: DU64 0;
@ -68,12 +68,9 @@ SYS_FRAMEBUFFER_BLUE_MASK_SHIFT: DU8 0;
SYS_FRAMEBUFFER_UNUSED: DU8 0,0,0,0,0,0,0;
SYS_FRAMEBUFFER_EDID_SIZE: DU64 0;
SYS_FRAMEBUFFER_EDID_ADDR: DU8 sizeof(U8 *);
*/
SYS_VBE_INFO:: DU8 sizeof(CVBEInfo) DUP(0);
SYS_VBE_MODES:: DU8 sizeof(CVBEModeShort) * VBE_MODES_NUM DUP(0);
ALIGN 16, OC_NOP
DU64 0x5439581381193aaf, 0x2a8a30e69ec9f845;
SYS_VBE_FINAL_MODE:: DU8 sizeof(CVBEMode) DUP(0);
SYS_VBE_FINAL_MODE_NUM::DU16 0; //mode number of final mode set
#assert $$ - SYS_KERNEL == sizeof(CKernel) - sizeof(CZXE)

3
src/Kernel/KStart32.ZC
View file

@ -98,12 +98,11 @@ CORE0_32BIT_INIT:: //Entry point for $LK,"BootRAM",A="MN:BootRAM"$.
MOV FS, AX
MOV GS, AX
MOV SS, AX
MOV ESP, BOOT_RAM_LIMIT //Tmp Stack
//MOV ESP, BOOT_RAM_LIMIT //Tmp Stack
//Patch abs addresses
MOV ECX, U32 CPatchTableAbsAddr.abs_address_count[ESI]
LEA ESI, U32 CPatchTableAbsAddr.abs_address[ESI]
@@05: LODSD
ADD EAX, EDI
ADD U32 [EAX], EDI

5
src/Kernel/MultiProc.ZC
View file

@ -96,7 +96,7 @@ CTSS *TSSNew(I64 cpu_num)
tss->tr = offset(CGDT.tr) + cpu_num * 16;
tss->tr_ring3= offset(CGDT.tr_ring3) + cpu_num * 16;
d = (0x80d8)(U8 *) + tss->tr;
d = (&sys_gdt)(U8 *) + tss->tr;
d1 = d(U8 *) + 4;
*d = 0x0000FFFF;
*d1 = 0x008F8900;
@ -106,7 +106,7 @@ CTSS *TSSNew(I64 cpu_num)
*d1++ = tss >> 32;
*d1 = 0;
d = (0x80d8)(U8 *) + tss->tr_ring3;
d = (&sys_gdt)(U8 *) + tss->tr_ring3;
d1 = d(U8 *) + 4;
*d = 0x0000FFFF;
*d1 = 0x008FE900;
@ -193,7 +193,6 @@ U0 MPAPICInit()
RAXSet(Gs->tss->tr);
LTR AX
if (Gs->num)
{
IntInit1;

2
src/limine.cfg
View file

@ -1,6 +1,8 @@
TIMEOUT=2
INTERFACE_RESOLUTION=1024x768
:ZealOS
PROTOCOL=limine
RESOLUTION=1024x768
KERNEL_PATH=boot:///Boot/ZealBooter.ELF
MODULE_PATH=boot:///Boot/Kernel.ZXE

1
zealbooter/GNUmakefile
View file

@ -41,6 +41,7 @@ override CFLAGS += \
-fno-stack-check \
-fno-pie \
-fno-pic \
-Wno-address-of-packed-member \
-m64 \
-march=x86-64 \
-mabi=sysv \

17
zealbooter/lower.S → zealbooter/trampoline.S
View file

@ -1,24 +1,24 @@
.section .text
.global lower
lower:
pushq $0x18
addq $(1f - lower), %rax
.global trampoline
trampoline:
lgdt (%rcx)
pushq $0x30
addq $(1f - trampoline), %rax
pushq %rax
lretq
.code32
1:
mov $0x20, %eax
mov $0x10, %eax
mov %eax, %ds
mov %eax, %es
mov %eax, %fs
mov %eax, %gs
mov %eax, %ss
lgdt (%ecx)
mov %cr0, %eax
btr $31, %eax
mov %eax, %cr0
@ -31,6 +31,7 @@ lower:
mov %ebx, %eax
mov $2, %ebx
mov $0x7c00, %esp
jmp *%eax
.global trampoline_end
trampoline_end:

169
zealbooter/zealbooter.c
View file

@ -28,6 +28,21 @@ static volatile struct limine_framebuffer_request framebuffer_request = {
.revision = 0
};
struct CZXE {
uint16_t jmp;
uint8_t module_align_bits;
uint8_t reserved;
uint32_t signature;
int64_t org;
int64_t patch_table_offset;
int64_t file_size;
} __attribute__((packed));
struct CDate {
uint32_t time;
int32_t date;
} __attribute__((packed));
#define MEM_E820_ENTRIES_NUM 48
#define MEM_E820T_USABLE 1
@ -37,9 +52,15 @@ static volatile struct limine_framebuffer_request framebuffer_request = {
#define MEM_E820T_BAD_MEM 5
#define MEM_E820T_PERM_MEM 7
struct CMemE820 {
uint8_t *base;
int64_t len;
uint8_t type, pad[3];
} __attribute__((packed));
struct CGDTEntry {
uint64_t lo, hi;
};
} __attribute__((packed));
#define MP_PROCESSORS_NUM 128
@ -54,29 +75,32 @@ struct CGDT {
struct CGDTEntry ds_ring3;
struct CGDTEntry tr[MP_PROCESSORS_NUM];
struct CGDTEntry tr_ring3[MP_PROCESSORS_NUM];
};
} __attribute__((packed));
struct CZXE {
uint16_t jmp;
uint8_t module_align_bits;
uint8_t reserved;
uint32_t signature;
int64_t org;
int64_t patch_table_offset;
int64_t file_size;
};
struct CVBEInfo {
uint8_t signature[4];
uint16_t version;
uint32_t oem, capabilities, video_modes;
uint16_t total_memory, software_revision;
uint32_t vendor, product_name, product_revision;
uint8_t reserved[222], oem_data[256];
} __attribute__((packed));
struct CDate {
uint32_t time;
int32_t date;
};
struct CVBEModeShort {
uint16_t width, height, mode_num;
uint32_t max_pixel_clock;
} __attribute__((packed));
struct CMemE820 {
uint8_t *base;
int64_t len;
uint8_t type;
uint8_t pad[3];
};
struct CVBEMode {
uint16_t attributes, pad0[7], pitch, width, height;
uint8_t pad1[3], bpp, pad2, memory_model, pad[12];
uint32_t framebuffer;
uint16_t pad3[9];
uint32_t max_pixel_clock;
uint8_t reserved[190];
} __attribute__((packed));
#define VBE_MODES_NUM 32
struct CSysLimitBase {
uint16_t limit;
@ -101,16 +125,20 @@ struct CKernel {
uint8_t *base;
} __attribute__((packed)) sys_gdt_ptr;
uint16_t sys_pci_buses;
struct CGDT sys_gdt;
struct CGDT sys_gdt __attribute__((aligned(16)));
uint32_t sys_font_ptr;
struct limine_framebuffer limine_fb;
// struct limine_framebuffer limine_fb;
struct CVBEInfo sys_vbe_info;
struct CVBEModeShort sys_vbe_modes[VBE_MODES_NUM];
struct CVBEMode sys_vbe_mode;
uint16_t sys_vbe_mode_num;
} __attribute__((packed));
#define BOOT_SRC_RAM 2
#define RLF_16BIT 0b01
#define RLF_VESA 0b10
void lower(void);
extern symbol trampoline, trampoline_end;
struct E801 {
size_t lowermem;
@ -140,40 +168,38 @@ struct E801 get_E801(void) {
return E801;
}
struct CVBEMode {
uint16_t attributes, pad0[7], pitch, width, height;
uint8_t pad1[3], bpp, pad2, memory_model, pad[12];
uint32_t framebuffer;
uint16_t pad3[9];
uint32_t max_pixel_clock;
uint8_t reserved[190];
} __attribute__((packed));
void _start(void) {
struct limine_file *kernel = module_request.response->modules[0];
struct CKernel *CKernel = (void *)0x7c00;
memcpy(CKernel, kernel->address, kernel->size);
struct CKernel *CKernel = kernel->address;
struct CVBEMode *sys_vbe_mode;
for (uint64_t *p = (uint64_t *)CKernel; ; p++) {
if (*p != 0x5439581381193aaf) {
size_t trampoline_size = (uintptr_t)trampoline_end - (uintptr_t)trampoline;
size_t boot_stack_size = 32768;
uintptr_t final_address = (uintptr_t)-1;
for (size_t i = 0; i < memmap_request.response->entry_count; i++) {
struct limine_memmap_entry *entry = memmap_request.response->entries[i];
if (entry->type != LIMINE_MEMMAP_USABLE) {
continue;
}
p++;
if (*p != 0x2a8a30e69ec9f845) {
continue;
if (entry->length >= ALIGN_UP(kernel->size + trampoline_size, 16) + boot_stack_size) {
final_address = entry->base;
break;
}
p++;
sys_vbe_mode = (void *)p;
break;
}
if (final_address == (uintptr_t)-1) {
// TODO: Panic. Show something?
for (;;);
}
struct limine_framebuffer *fb = framebuffer_request.response->framebuffers[0];
sys_vbe_mode->pitch = fb->pitch;
sys_vbe_mode->width = fb->width;
sys_vbe_mode->height = fb->height;
sys_vbe_mode->bpp = fb->bpp;
sys_vbe_mode->framebuffer = (uintptr_t)fb->address - hhdm_request.response->offset;
CKernel->sys_vbe_mode.pitch = fb->pitch;
CKernel->sys_vbe_mode.width = fb->width;
CKernel->sys_vbe_mode.height = fb->height;
CKernel->sys_vbe_mode.bpp = fb->bpp;
CKernel->sys_vbe_mode.framebuffer = (uintptr_t)fb->address - hhdm_request.response->offset;
void *CORE0_32BIT_INIT;
for (uint64_t *p = (uint64_t *)CKernel; ; p++) {
@ -189,26 +215,25 @@ void _start(void) {
break;
}
CORE0_32BIT_INIT -= (uintptr_t)kernel->address;
CORE0_32BIT_INIT += final_address;
CKernel->boot_src = BOOT_SRC_RAM;
CKernel->boot_blk = 0;
CKernel->boot_patch_table_base = (uintptr_t)CKernel + CKernel->h.patch_table_offset;
// asm volatile ("jmp ." ::"a"(CKernel->boot_patch_table_base));
CKernel->boot_patch_table_base -= (uintptr_t)kernel->address;
CKernel->boot_patch_table_base += final_address;
CKernel->sys_run_level = RLF_VESA | RLF_16BIT;
CKernel->boot_base = (uintptr_t)&CKernel->jmp;
CKernel->sys_gdt.boot_ds.lo = 0x00CF92000000FFFF;
CKernel->sys_gdt.boot_cs.lo = 0x00CF9A000000FFFF;
CKernel->sys_gdt.cs32.lo = 0x00CF9A000000FFFF;
CKernel->sys_gdt.cs64.lo = 0x00209A0000000000;
CKernel->sys_gdt.cs64_ring3.lo = 0x0020FA0000000000;
CKernel->sys_gdt.ds.lo = 0x00CF92000000FFFF;
CKernel->sys_gdt.ds_ring3.lo = 0x00CFF2000000FFFF;
CKernel->boot_base = (uintptr_t)&CKernel->jmp - (uintptr_t)kernel->address;
CKernel->boot_base += final_address;
CKernel->sys_gdt_ptr.limit = sizeof(CKernel->sys_gdt) - 1;
CKernel->sys_gdt_ptr.base = (void *)&CKernel->sys_gdt;
CKernel->sys_gdt_ptr.base = (void *)&CKernel->sys_gdt - (uintptr_t)kernel->address;
CKernel->sys_gdt_ptr.base += final_address;
CKernel->sys_pci_buses = 256;
struct E801 E801 = get_E801();
CKernel->mem_E801[0] = E801.lowermem;
@ -239,13 +264,25 @@ void _start(void) {
CKernel->mem_E820[i].type = our_type;
}
struct limine_framebuffer *framebuffer = framebuffer_request.response->framebuffers[0];
memcpy(&CKernel->limine_fb, framebuffer, sizeof(struct limine_framebuffer));
// memcpy(&CKernel->limine_fb, framebuffer, sizeof(struct limine_framebuffer));
void *sys_gdt_ptr = (void *)&CKernel->sys_gdt_ptr - (uintptr_t)kernel->address;
sys_gdt_ptr += final_address;
void *target_addr = (void *)lower - kernel_address_request.response->virtual_base;
target_addr += kernel_address_request.response->physical_base;
void *trampoline_phys = (void *)final_address + kernel->size;
asm volatile ("jmp *%0" :: "a"(target_addr), "b"(CORE0_32BIT_INIT), "c"(&CKernel->sys_gdt_ptr), "S"(CKernel->boot_patch_table_base), "D"(CKernel->boot_base) : "memory");
uintptr_t boot_stack = ALIGN_UP(final_address + kernel->size + trampoline_size, 16) + boot_stack_size;
memcpy(trampoline_phys, trampoline, trampoline_size);
memcpy((void *)final_address, CKernel, kernel->size);
asm volatile (
"mov %5, %%rsp;"
"jmp *%0"
:
: "a"(trampoline_phys), "b"(CORE0_32BIT_INIT),
"c"(sys_gdt_ptr), "S"(CKernel->boot_patch_table_base),
"D"(CKernel->boot_base), "r"(boot_stack)
: "memory");
__builtin_unreachable();
}