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No commits in common. "be3efb0b9213f82a0b0d4ddf67993f42878e2109" and "31aa157201822d2ecd439fd2b5f6350b58fdff14" have entirely different histories.

18 changed files with 178 additions and 246 deletions

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@ -4,7 +4,6 @@
#include <kernel/LockGuard.h>
#include <kernel/Memory/kmalloc.h>
#include <kernel/Memory/PageTable.h>
#include <kernel/multiboot2.h>
extern uint8_t g_kernel_start[];
extern uint8_t g_kernel_end[];
@ -139,16 +138,6 @@ namespace Kernel
// Map (0 -> phys_kernel_end) to (KERNEL_OFFSET -> virt_kernel_end)
map_range_at(0, KERNEL_OFFSET, (uintptr_t)g_kernel_end - KERNEL_OFFSET, Flags::ReadWrite | Flags::Present);
// Map multiboot info
vaddr_t multiboot_data_start = (vaddr_t)g_multiboot2_info & PAGE_ADDR_MASK;
vaddr_t multiboot_data_end = (vaddr_t)g_multiboot2_info + g_multiboot2_info->total_size;
map_range_at(
V2P(multiboot_data_start),
multiboot_data_start,
multiboot_data_end - multiboot_data_start,
Flags::ReadWrite | Flags::Present
);
// Map executable kernel memory as executable
map_range_at(
V2P(g_kernel_execute_start),

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@ -1,3 +1,11 @@
# Declare constants for the multiboot header
.set ALIGN, 1<<0 # align loaded modules on page boundaries
.set MEMINFO, 1<<1 # provide memory map
.set VIDEOINFO, 1<<2 # provide video info
.set MB_FLAGS, ALIGN | MEMINFO | VIDEOINFO # this is the Multiboot 'flag' field
.set MB_MAGIC, 0x1BADB002 # 'magic number' lets bootloader find the header
.set MB_CHECKSUM, -(MB_MAGIC + MB_FLAGS) #checksum of above, to prove we are multiboot
.set PG_PRESENT, 1<<0
.set PG_READ_WRITE, 1<<1
.set PG_PAGE_SIZE, 1<<7
@ -7,37 +15,19 @@
.code32
# multiboot2 header
# Multiboot header
.section .multiboot, "aw"
multiboot2_start:
.align 8
.long 0xE85250D6
.align 4
.long MB_MAGIC
.long MB_FLAGS
.long MB_CHECKSUM
.skip 20
.long 0
.long multiboot2_end - multiboot2_start
.long -(0xE85250D6 + (multiboot2_end - multiboot2_start))
# framebuffer tag
.align 8
.short 5
.short 0
.long 20
.long 1920
.long 1080
.long 800
.long 600
.long 32
# legacy start
.align 8
.short 3
.short 0
.long 12
.long V2P(_start)
.align 8
.short 0
.short 0
.long 8
multiboot2_end:
.section .bss, "aw", @nobits
# Create stack
.global g_boot_stack_bottom
@ -50,11 +40,11 @@ multiboot2_end:
g_kernel_cmdline:
.skip 4096
.global g_multiboot2_info
g_multiboot2_info:
.global g_multiboot_info
g_multiboot_info:
.skip 8
.global g_multiboot2_magic
g_multiboot2_magic:
.global g_multiboot_magic
g_multiboot_magic:
.skip 8
.section .data
@ -129,6 +119,19 @@ check_requirements:
.exit:
jmp system_halt
copy_kernel_commandline:
pushl %esi
pushl %edi
movl V2P(g_multiboot_info), %esi
addl $16, %esi
movl (%esi), %esi
movl $1024, %ecx
movl $V2P(g_kernel_cmdline), %edi
rep movsl
popl %edi
popl %esi
ret
enable_sse:
movl %cr0, %eax
andw $0xFFFB, %ax
@ -167,9 +170,10 @@ initialize_paging:
_start:
# Initialize stack and multiboot info
movl $V2P(g_boot_stack_top), %esp
movl %eax, V2P(g_multiboot2_magic)
movl %ebx, V2P(g_multiboot2_info)
movl %eax, V2P(g_multiboot_magic)
movl %ebx, V2P(g_multiboot_info)
call copy_kernel_commandline
call check_requirements
call enable_sse
@ -197,7 +201,7 @@ long_mode:
jmp *%rcx
higher_half:
addq $KERNEL_OFFSET, g_multiboot2_info
addq $KERNEL_OFFSET, g_multiboot_info
# call global constuctors
call _init

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@ -29,9 +29,8 @@ namespace Kernel::PCI
~BarRegion();
BarType type() const { return m_type; }
vaddr_t iobase() const { ASSERT(m_type == BarType::IO); return m_paddr; }
vaddr_t vaddr() const { ASSERT(m_type == BarType::MEM); return m_vaddr; }
paddr_t paddr() const { ASSERT(m_type == BarType::MEM); return m_paddr; }
vaddr_t vaddr() const { return m_vaddr; }
paddr_t paddr() const { return m_paddr; }
size_t size() const { return m_size; }
void write8(off_t, uint8_t);

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@ -1,9 +1,7 @@
#pragma once
#define ATA_PROGIF_PRIMARY_NATIVE (1 << 0)
#define ATA_PROGIF_CAN_MODIFY_PRIMARY_NATIVE (1 << 1)
#define ATA_PROGIF_SECONDARY_NATIVE (1 << 2)
#define ATA_PROGIF_CAN_MODIFY_SECONDARY_NATIVE (1 << 3)
#define ATA_PORT_DATA 0x00
#define ATA_PORT_ERROR 0x00

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@ -28,7 +28,7 @@ namespace Kernel
uint64_t sector_count() const { return m_lba_count; }
BAN::StringView model() const { return m_model; }
BAN::StringView name() const { return m_name; }
BAN::StringView name() const;
virtual dev_t rdev() const override { return m_rdev; }
@ -46,7 +46,6 @@ namespace Kernel
uint32_t m_sector_words;
uint64_t m_lba_count;
char m_model[41];
char m_name[4] {};
const dev_t m_rdev;
};

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@ -0,0 +1,57 @@
#pragma once
#include <stdint.h>
#define MULTIBOOT_FLAGS_FRAMEBUFFER (1 << 12)
#define MULTIBOOT_FRAMEBUFFER_TYPE_GRAPHICS 1
#define MULTIBOOT_FRAMEBUFFER_TYPE_TEXT 2
struct framebuffer_info_t
{
uint64_t addr;
uint32_t pitch;
uint32_t width;
uint32_t height;
uint8_t bpp;
uint8_t type;
uint8_t color_info[6];
};
struct multiboot_memory_map_t
{
uint32_t size;
uint64_t base_addr;
uint64_t length;
uint32_t type;
} __attribute__((packed));
// https://www.gnu.org/software/grub/manual/multiboot/multiboot.html#Boot-information-format
struct multiboot_info_t
{
uint32_t flags;
uint32_t mem_lower;
uint32_t mem_upper;
uint32_t boot_device;
uint32_t cmdline;
uint32_t mods_count;
uint32_t mods_addr;
uint32_t syms[4];
uint32_t mmap_length;
uint32_t mmap_addr;
uint32_t drives_length;
uint32_t drives_addr;
uint32_t config_table;
uint32_t boot_loader_name;
uint32_t apm_table;
uint32_t vbe_control_info;
uint32_t vbe_mode_info;
uint16_t vbe_mode;
uint16_t vbe_interface_seg;
uint16_t vbe_interface_off;
uint16_t vbe_interface_len;
framebuffer_info_t framebuffer;
};
extern "C" multiboot_info_t* g_multiboot_info;
extern "C" uint32_t g_multiboot_magic;

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@ -1,75 +0,0 @@
#pragma once
#include <stdint.h>
// https://www.gnu.org/software/grub/manual/multiboot2/multiboot.html#Boot-information
#define MULTIBOOT2_TAG_END 0
#define MULTIBOOT2_TAG_CMDLINE 1
#define MULTIBOOT2_TAG_MMAP 6
#define MULTIBOOT2_TAG_FRAMEBUFFER 8
#define MULTIBOOT2_TAG_OLD_RSDP 14
#define MULTIBOOT2_TAG_NEW_RSDP 15
#define MULTIBOOT2_FRAMEBUFFER_TYPE_RGB 1
struct multiboot2_tag_t
{
uint32_t type;
uint32_t size;
multiboot2_tag_t* next() { return (multiboot2_tag_t*)((uintptr_t)this + ((size + 7) & ~7)); }
} __attribute__((packed));
struct multiboot2_cmdline_tag_t : public multiboot2_tag_t
{
char cmdline[];
} __attribute__((packed));
struct multiboot2_mmap_entry_t
{
uint64_t base_addr;
uint64_t length;
uint32_t type;
uint32_t reserved;
} __attribute__((packed));
struct multiboot2_mmap_tag_t : public multiboot2_tag_t
{
uint32_t entry_size;
uint32_t entry_version;
multiboot2_mmap_entry_t entries[];
} __attribute__((packed));
struct multiboot2_framebuffer_tag_t : public multiboot2_tag_t
{
uint64_t framebuffer_addr;
uint32_t framebuffer_pitch;
uint32_t framebuffer_width;
uint32_t framebuffer_height;
uint8_t framebuffer_bpp;
uint8_t framebuffer_type;
uint8_t reserved;
} __attribute__((packed));
struct multiboot2_rsdp_tag_t : public multiboot2_tag_t
{
uint8_t data[];
} __attribute__((packed));
struct multiboot2_info_t
{
uint32_t total_size;
uint32_t reserved;
multiboot2_tag_t tags[];
} __attribute__((packed));
extern "C" multiboot2_info_t* g_multiboot2_info;
extern "C" uint32_t g_multiboot2_magic;
inline multiboot2_tag_t* multiboot2_find_tag(uint32_t type)
{
for (auto* tag = g_multiboot2_info->tags; tag->type != MULTIBOOT2_TAG_END; tag = tag->next())
if (tag->type == type)
return tag;
return nullptr;
}

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@ -2,7 +2,6 @@
#include <BAN/StringView.h>
#include <kernel/ACPI.h>
#include <kernel/Memory/PageTable.h>
#include <kernel/multiboot2.h>
#include <lai/core.h>
@ -85,12 +84,6 @@ namespace Kernel
static const RSDP* locate_rsdp()
{
// Check the multiboot headers
if (auto* rsdp_new = (multiboot2_rsdp_tag_t*)multiboot2_find_tag(MULTIBOOT2_TAG_NEW_RSDP))
return (const RSDP*)rsdp_new->data;
if (auto* rsdp_old = (multiboot2_rsdp_tag_t*)multiboot2_find_tag(MULTIBOOT2_TAG_OLD_RSDP))
return (const RSDP*)rsdp_old->data;
// Look in main BIOS area below 1 MB
for (uintptr_t addr = P2V(0x000E0000); addr < P2V(0x000FFFFF); addr += 16)
if (is_rsdp(addr))

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@ -1,7 +1,7 @@
#include <kernel/LockGuard.h>
#include <kernel/Memory/Heap.h>
#include <kernel/Memory/PageTable.h>
#include <kernel/multiboot2.h>
#include <kernel/multiboot.h>
extern uint8_t g_kernel_end[];
@ -26,23 +26,21 @@ namespace Kernel
void Heap::initialize_impl()
{
auto* mmap_tag = (multiboot2_mmap_tag_t*)multiboot2_find_tag(MULTIBOOT2_TAG_MMAP);
if (mmap_tag == nullptr)
if (!(g_multiboot_info->flags & (1 << 6)))
Kernel::panic("Bootloader did not provide a memory map");
for (size_t offset = sizeof(*mmap_tag); offset < mmap_tag->size; offset += mmap_tag->entry_size)
for (size_t i = 0; i < g_multiboot_info->mmap_length;)
{
auto* mmap_entry = (multiboot2_mmap_entry_t*)((uintptr_t)mmap_tag + offset);
if (mmap_entry->type == 1)
multiboot_memory_map_t* mmmt = (multiboot_memory_map_t*)P2V(g_multiboot_info->mmap_addr + i);
if (mmmt->type == 1)
{
paddr_t start = mmap_entry->base_addr;
paddr_t start = mmmt->base_addr;
if (start < V2P(g_kernel_end))
start = V2P(g_kernel_end);
if (auto rem = start % PAGE_SIZE)
start += PAGE_SIZE - rem;
paddr_t end = mmap_entry->base_addr + mmap_entry->length;
paddr_t end = mmmt->base_addr + mmmt->length;
if (auto rem = end % PAGE_SIZE)
end -= rem;
@ -50,6 +48,7 @@ namespace Kernel
if (end > start + PAGE_SIZE)
MUST(m_physical_ranges.emplace_back(start, end - start));
}
i += mmmt->size + sizeof(uint32_t);
}
size_t total = 0;

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@ -77,7 +77,7 @@ namespace Kernel::PCI
uint32_t temp = read_config_dword(bus, dev, func, offset & ~3);
temp &= ~(0xFF << byte);
temp |= (uint32_t)value << byte;
write_config_dword(bus, dev, func, offset & ~3, temp);
write_config_dword(bus, dev, func, offset, temp);
}
static uint16_t get_vendor_id(uint8_t bus, uint8_t dev, uint8_t func)
@ -252,13 +252,8 @@ namespace Kernel::PCI
device.func()
);
dprintln(" type: {}", region->type() == BarType::IO ? "IO" : "MEM");
if (region->type() == BarType::IO)
dprintln(" iobase {8H}", region->iobase());
else
{
dprintln(" paddr {}", (void*)region->paddr());
dprintln(" vaddr {}", (void*)region->vaddr());
}
dprintln(" size {}", region->size());
#endif
@ -295,42 +290,42 @@ namespace Kernel::PCI
void BarRegion::write8(off_t reg, uint8_t val)
{
if (m_type == BarType::IO)
return IO::outb(m_paddr + reg, val);
return IO::outb(m_vaddr + reg, val);
MMIO::write8(m_vaddr + reg, val);
}
void BarRegion::write16(off_t reg, uint16_t val)
{
if (m_type == BarType::IO)
return IO::outw(m_paddr + reg, val);
return IO::outw(m_vaddr + reg, val);
MMIO::write16(m_vaddr + reg, val);
}
void BarRegion::write32(off_t reg, uint32_t val)
{
if (m_type == BarType::IO)
return IO::outl(m_paddr + reg, val);
return IO::outl(m_vaddr + reg, val);
MMIO::write32(m_vaddr + reg, val);
}
uint8_t BarRegion::read8(off_t reg)
{
if (m_type == BarType::IO)
return IO::inb(m_paddr + reg);
return IO::inb(m_vaddr + reg);
return MMIO::read8(m_vaddr + reg);
}
uint16_t BarRegion::read16(off_t reg)
{
if (m_type == BarType::IO)
return IO::inw(m_paddr + reg);
return IO::inw(m_vaddr + reg);
return MMIO::read16(m_vaddr + reg);
}
uint32_t BarRegion::read32(off_t reg)
{
if (m_type == BarType::IO)
return IO::inl(m_paddr + reg);
return IO::inl(m_vaddr + reg);
return MMIO::read32(m_vaddr + reg);
}

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@ -73,14 +73,6 @@ namespace Kernel
select_delay();
}
static bool identify_all_ones(BAN::Span<const uint16_t> identify_data)
{
for (size_t i = 0; i < 256; i++)
if (identify_data[i] != 0xFFFF)
return false;
return true;
}
BAN::ErrorOr<ATABus::DeviceType> ATABus::identify(bool secondary, BAN::Span<uint16_t> buffer)
{
select_device(secondary);
@ -125,9 +117,6 @@ namespace Kernel
ASSERT(buffer.size() >= 256);
read_buffer(ATA_PORT_DATA, buffer.data(), 256);
if (identify_all_ones(buffer))
return BAN::Error::from_errno(ENODEV);
return type;
}

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@ -41,20 +41,6 @@ namespace Kernel
uint8_t prog_if = m_pci_device.read_byte(0x09);
if ((prog_if & ATA_PROGIF_CAN_MODIFY_PRIMARY_NATIVE) && (prog_if & ATA_PROGIF_PRIMARY_NATIVE))
{
prog_if &= ~ATA_PROGIF_PRIMARY_NATIVE;
m_pci_device.write_byte(0x09, prog_if);
dprintln("enabling compatibility mode for bus 1");
}
if ((prog_if & ATA_PROGIF_CAN_MODIFY_SECONDARY_NATIVE) && (prog_if & ATA_PROGIF_SECONDARY_NATIVE))
{
prog_if &= ~ATA_PROGIF_SECONDARY_NATIVE;
m_pci_device.write_byte(0x09, prog_if);
dprintln("enabling compatibility mode for bus 2");
}
if (!(prog_if & ATA_PROGIF_PRIMARY_NATIVE))
{
auto bus_or_error = ATABus::create(0x1F0, 0x3F6, 14);
@ -68,6 +54,7 @@ namespace Kernel
dprintln("unsupported IDE ATABus in native mode");
}
// BUS 2
if (!(prog_if & ATA_PROGIF_SECONDARY_NATIVE))
{
auto bus_or_error = ATABus::create(0x170, 0x376, 15);

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@ -23,10 +23,7 @@ namespace Kernel
detail::ATABaseDevice::ATABaseDevice()
: m_rdev(makedev(get_ata_dev_major(), get_ata_dev_minor()))
{
strcpy(m_name, "sda");
m_name[2] += minor(m_rdev);
}
{ }
BAN::ErrorOr<void> detail::ATABaseDevice::initialize(BAN::Span<const uint16_t> identify_data)
{
@ -71,7 +68,7 @@ namespace Kernel
while (model_len > 0 && m_model[model_len - 1] == ' ')
model_len--;
dprintln("Initialized disk '{}' {} MiB", BAN::StringView(m_model, model_len), total_size() / 1024 / 1024);
dprintln("Initialized disk '{}' {} MB", BAN::StringView(m_model, model_len), total_size() / 1024 / 1024);
add_disk_cache();
@ -102,6 +99,13 @@ namespace Kernel
return bytes;
}
BAN::StringView detail::ATABaseDevice::name() const
{
static char device_name[] = "sda";
device_name[2] += minor(m_rdev);
return device_name;
}
BAN::ErrorOr<BAN::RefPtr<ATADevice>> ATADevice::create(BAN::RefPtr<ATABus> bus, ATABus::DeviceType type, bool is_secondary, BAN::Span<const uint16_t> identify_data)
{
auto* device_ptr = new ATADevice(bus, type, is_secondary);

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@ -81,14 +81,7 @@ namespace Kernel
Process::create_kernel(
[](void*)
{
auto file_or_error = VirtualFileSystem::get().file_from_absolute_path({ 0, 0, 0, 0 }, "/dev/input0"sv, O_RDONLY);
if (file_or_error.is_error())
{
dprintln("no input device found");
return;
}
auto inode = file_or_error.value().inode;
auto inode = MUST(VirtualFileSystem::get().file_from_absolute_path({ 0, 0, 0, 0 }, "/dev/input0"sv, O_RDONLY)).inode;
while (true)
{
while (!TTY::current()->m_tty_ctrl.receive_input)

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@ -1,54 +1,55 @@
#include <BAN/Errors.h>
#include <kernel/Debug.h>
#include <kernel/Memory/PageTable.h>
#include <kernel/multiboot2.h>
#include <kernel/multiboot.h>
#include <kernel/Terminal/VesaTerminalDriver.h>
using namespace Kernel;
VesaTerminalDriver* VesaTerminalDriver::create()
{
auto* framebuffer_tag = (multiboot2_framebuffer_tag_t*)multiboot2_find_tag(MULTIBOOT2_TAG_FRAMEBUFFER);
if (framebuffer_tag == nullptr)
if (!(g_multiboot_info->flags & MULTIBOOT_FLAGS_FRAMEBUFFER))
{
dprintln("Bootloader did not provide framebuffer");
return nullptr;
}
if (framebuffer_tag->framebuffer_type != MULTIBOOT2_FRAMEBUFFER_TYPE_RGB)
auto& framebuffer = g_multiboot_info->framebuffer;
if (framebuffer.type == MULTIBOOT_FRAMEBUFFER_TYPE_GRAPHICS)
{
dprintln("unsupported framebuffer type {}", framebuffer_tag->framebuffer_type);
if (framebuffer.bpp != 24 && framebuffer.bpp != 32)
{
dprintln("Unsupported bpp {}", framebuffer.bpp);
return nullptr;
}
dprintln("Graphics Mode {}x{} ({} bpp)", framebuffer.width, framebuffer.height, framebuffer.bpp);
}
else if (framebuffer.type == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
{
dprintln("Text Mode is currently not supported");
return nullptr;
}
else
{
dprintln("Unknown framebuffer type {}", framebuffer.type);
return nullptr;
}
if (framebuffer_tag->framebuffer_bpp != 24 && framebuffer_tag->framebuffer_bpp != 32)
{
dprintln("Unsupported bpp {}", framebuffer_tag->framebuffer_bpp);
return nullptr;
}
dprintln("Graphics Mode {}x{} ({} bpp)",
(uint32_t)framebuffer_tag->framebuffer_width,
(uint32_t)framebuffer_tag->framebuffer_height,
(uint8_t)framebuffer_tag->framebuffer_bpp
);
paddr_t paddr = framebuffer_tag->framebuffer_addr & PAGE_ADDR_MASK;
size_t needed_pages = range_page_count(
framebuffer_tag->framebuffer_addr,
framebuffer_tag->framebuffer_pitch * framebuffer_tag->framebuffer_height
);
uint64_t first_page = framebuffer.addr / PAGE_SIZE;
uint64_t last_page = BAN::Math::div_round_up<uint64_t>(framebuffer.addr + framebuffer.pitch * framebuffer.height, PAGE_SIZE);
uint64_t needed_pages = last_page - first_page + 1;
vaddr_t vaddr = PageTable::kernel().reserve_free_contiguous_pages(needed_pages, KERNEL_OFFSET);
ASSERT(vaddr);
PageTable::kernel().map_range_at(paddr, vaddr, needed_pages * PAGE_SIZE, PageTable::Flags::UserSupervisor | PageTable::Flags::ReadWrite | PageTable::Flags::Present);
PageTable::kernel().map_range_at(framebuffer.addr, vaddr, needed_pages * PAGE_SIZE, PageTable::Flags::UserSupervisor | PageTable::Flags::ReadWrite | PageTable::Flags::Present);
auto* driver = new VesaTerminalDriver(
framebuffer_tag->framebuffer_width,
framebuffer_tag->framebuffer_height,
framebuffer_tag->framebuffer_pitch,
framebuffer_tag->framebuffer_bpp,
framebuffer.width,
framebuffer.height,
framebuffer.pitch,
framebuffer.bpp,
vaddr
);
driver->set_cursor_position(0, 0);

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@ -12,7 +12,7 @@
#include <kernel/Memory/Heap.h>
#include <kernel/Memory/kmalloc.h>
#include <kernel/Memory/PageTable.h>
#include <kernel/multiboot2.h>
#include <kernel/multiboot.h>
#include <kernel/PCI.h>
#include <kernel/PIC.h>
#include <kernel/Process.h>
@ -23,6 +23,8 @@
#include <kernel/Terminal/VesaTerminalDriver.h>
#include <kernel/Timer/Timer.h>
extern "C" const char g_kernel_cmdline[];
struct ParsedCommandLine
{
bool force_pic = false;
@ -33,12 +35,11 @@ struct ParsedCommandLine
static bool should_disable_serial()
{
auto* cmdline_tag = (multiboot2_cmdline_tag_t*)multiboot2_find_tag(MULTIBOOT2_TAG_CMDLINE);
if (cmdline_tag == nullptr)
if (!(g_multiboot_info->flags & 0x02))
return false;
const char* start = cmdline_tag->cmdline;
const char* current = start;
const char* start = g_kernel_cmdline;
const char* current = g_kernel_cmdline;
while (true)
{
if (!*current || *current == ' ' || *current == '\t')
@ -59,11 +60,10 @@ static ParsedCommandLine cmdline;
static void parse_command_line()
{
auto* cmdline_tag = (multiboot2_cmdline_tag_t*)multiboot2_find_tag(MULTIBOOT2_TAG_CMDLINE);
if (cmdline_tag == nullptr)
if (!(g_multiboot_info->flags & 0x02))
return;
BAN::StringView full_command_line(cmdline_tag->cmdline);
BAN::StringView full_command_line(g_kernel_cmdline);
auto arguments = MUST(full_command_line.split(' '));
for (auto argument : arguments)
@ -98,7 +98,7 @@ extern "C" void kernel_main()
dprintln("Serial output initialized");
}
if (g_multiboot2_magic != 0x36d76289)
if (g_multiboot_magic != 0x2BADB002)
{
dprintln("Invalid multiboot magic number");
return;

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@ -1,23 +1,23 @@
menuentry "banan-os" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2
multiboot /boot/banan-os.kernel root=/dev/sda2
}
menuentry "banan-os (no serial)" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2 noserial
multiboot /boot/banan-os.kernel root=/dev/sda2 noserial
}
menuentry "banan-os (only serial)" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2 console=ttyS0
multiboot /boot/banan-os.kernel root=/dev/sda2 console=ttyS0
}
menuentry "banan-os (no apic)" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2 noapic
multiboot /boot/banan-os.kernel root=/dev/sda2 noapic
}
menuentry "banan-os (no apic, no serial)" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2 noapic noserial
multiboot /boot/banan-os.kernel root=/dev/sda2 noapic noserial
}
menuentry "banan-os (no apic, only serial)" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2 noapic console=ttyS0
multiboot /boot/banan-os.kernel root=/dev/sda2 noapic console=ttyS0
}

View File

@ -2,25 +2,25 @@ insmod part_gpt
set root=(hd0,gpt2)
menuentry "banan-os" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2
multiboot /boot/banan-os.kernel root=/dev/sda2
}
menuentry "banan-os (no serial)" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2 noserial
multiboot /boot/banan-os.kernel root=/dev/sda2 noserial
}
menuentry "banan-os (only serial)" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2 console=ttyS0
multiboot /boot/banan-os.kernel root=/dev/sda2 console=ttyS0
}
menuentry "banan-os (no apic)" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2 noapic
multiboot /boot/banan-os.kernel root=/dev/sda2 noapic
}
menuentry "banan-os (no apic, no serial)" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2 noapic noserial
multiboot /boot/banan-os.kernel root=/dev/sda2 noapic noserial
}
menuentry "banan-os (no apic, only serial)" {
multiboot2 /boot/banan-os.kernel root=/dev/sda2 noapic console=ttyS0
multiboot /boot/banan-os.kernel root=/dev/sda2 noapic console=ttyS0
}