tests: add a basic test multiboot1 kernel
Signed-off-by: Andy-Python-Programmer <andypythonappdeveloper@gmail.com>
diff --git a/test/Makefile b/test/Makefile
index f11b62d5..11501b60 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -14,12 +14,19 @@ INTERNALLDFLAGS := \
--no-dynamic-linker \
-ztext
-INTERNALLDFLAGSMBOOT2 := \
- -Tmultiboot2.ld \
- -nostdlib \
- -zmax-page-size=0x1000 \
- -static \
- --no-dynamic-linker \
+INTERNAL_LD_FLAGS_MULTIBOOT2 := \
+ -Tmultiboot2.ld \
+ -nostdlib \
+ -zmax-page-size=0x1000 \
+ -static \
+ --no-dynamic-linker \
+
+INTERNAL_LD_FLAGS_MULTIBOOT1 := \
+ -Tmultiboot.ld \
+ -nostdlib \
+ -zmax-page-size=0x1000 \
+ -static \
+ --no-dynamic-linker \
INTERNALCFLAGS := \
-I../stivale \
@@ -36,7 +43,7 @@ INTERNALCFLAGS := \
-mno-sse2 \
-mno-red-zone
-all: test.elf multiboot2.elf
+all: test.elf multiboot2.elf multiboot.elf
test.elf: stivale.o stivale2.o e9print.o memory.o
$(LD) $^ $(LDFLAGS) $(INTERNALLDFLAGS) -o $@
@@ -44,7 +51,12 @@ test.elf: stivale.o stivale2.o e9print.o memory.o
multiboot2.elf: multiboot2_trampoline.o
$(CC) $(CFLAGS) $(INTERNALCFLAGS) -I../stage23/protos -m32 -c multiboot2.c -o multiboot2.o
$(CC) $(CFLAGS) $(INTERNALCFLAGS) -m32 -c e9print.c -o e9print.o
- $(LD) $^ multiboot2.o e9print.o $(LDFLAGS) $(INTERNALLDFLAGSMBOOT2) -m elf_i386 -o $@
+ $(LD) $^ multiboot2.o e9print.o $(LDFLAGS) $(INTERNAL_LD_FLAGS_MULTIBOOT2) -m elf_i386 -o $@
+
+multiboot.elf: multiboot_trampoline.o
+ $(CC) $(CFLAGS) $(INTERNALCFLAGS) -I../stage23/protos -m32 -c multiboot.c -o multiboot.o
+ $(CC) $(CFLAGS) $(INTERNALCFLAGS) -m32 -c e9print.c -o e9print.o
+ $(LD) $^ multiboot.o e9print.o $(LDFLAGS) $(INTERNAL_LD_FLAGS_MULTIBOOT1) -m elf_i386 -o $@
%.o: %.c
$(CC) $(CFLAGS) $(INTERNALCFLAGS) -c $< -o $@
@@ -53,4 +65,4 @@ multiboot2.elf: multiboot2_trampoline.o
nasm -felf32 $< -o $@
clean:
- rm -rf test.elf stivale.o stivale2.o e9print.o memory.o multiboot2.o multiboot2.elf multiboot2_trampoline.o
+ rm -rf test.elf stivale.o stivale2.o e9print.o memory.o multiboot2.o multiboot2.elf multiboot2_trampoline.o multiboot_trampoline.o multiboot.elf
diff --git a/test/limine.cfg b/test/limine.cfg
index 8ba0940a..d21849c6 100644
--- a/test/limine.cfg
+++ b/test/limine.cfg
@@ -1,4 +1,4 @@
-DEFAULT_ENTRY=2
+DEFAULT_ENTRY=3
TIMEOUT=3
GRAPHICS=yes
VERBOSE=yes
@@ -38,6 +38,18 @@ KERNEL_CMDLINE=Woah! Another another example!
MODULE_PATH=boot:///boot/bg.bmp
MODULE_STRING=This is the background image!
+:Multiboot1 Test
+
+COMMENT=Test of the multiboot1 boot protocol.
+
+PROTOCOL=multiboot1
+RESOLUTION=800x600
+KERNEL_PATH=boot:///boot/multiboot.elf
+KERNEL_CMDLINE=Woah! Another another another example!
+
+MODULE_PATH=boot:///boot/bg.bmp
+MODULE_STRING=This is the background image! Yay!
+
# Test that this should be NULL:
MODULE_PATH=boot:///boot/bg.bmp
diff --git a/test/multiboot.c b/test/multiboot.c
new file mode 100644
index 00000000..f2db28a7
--- /dev/null
+++ b/test/multiboot.c
@@ -0,0 +1,94 @@
+#include <e9print.h>
+#include <stdint.h>
+#include <multiboot1.h>
+
+#define MULTIBOOT_BOOTLOADER_MAGIC 0x2badb002
+
+void multiboot_main(uint32_t magic, struct multiboot1_info *info) {
+ if (magic != MULTIBOOT_BOOTLOADER_MAGIC) {
+ e9_printf("multiboot: Invalid magic: %x\n", magic);
+ goto out;
+ }
+
+ e9_printf("Welcome to the multiboot1 test kernel: ");
+
+ e9_printf("\t flags: %x", info->flags);
+
+ e9_printf("\t mem_lower: %x", info->mem_lower);
+ e9_printf("\t mem_upper: %x", info->mem_upper);
+
+ e9_printf("\t boot_device: %x", info->boot_device);
+ e9_printf("\t cmdline: %s", info->cmdline);
+
+ {
+ struct multiboot1_module *start = (struct multiboot1_module *)info->mods_addr;
+ struct multiboot1_module *end = (struct multiboot1_module *)(info->mods_addr + info->mods_count);
+
+ e9_printf("\t modules:");
+ for (struct multiboot1_module* entry = start; entry < end; entry++) {
+ e9_printf("\t\t begin=%x", entry->begin);
+ e9_printf("\t\t end=%x", entry->end);
+ e9_printf("\t\t cmdline=%s", entry->cmdline);
+ }
+ }
+
+ // TODO(Andy-Python-Programmer): ELF sections are unimplemented
+
+ {
+ struct multiboot1_mmap_entry *start = (struct multiboot1_mmap_entry *)info->mmap_addr;
+ struct multiboot1_mmap_entry *end = (struct multiboot1_mmap_entry *)(info->mmap_addr + info->mmap_length);
+
+ e9_printf("\t useable_entries_mmap:");
+
+ size_t total_mem = 0;
+
+ // For now we only print the useable memory map entries since
+ // printing the whole memory map blows my terminal up. We also
+ // iterate through the avaliable memory map entries and add up
+ // to find the total amount of useable memory.
+ for (struct multiboot1_mmap_entry* entry = start; entry < end; entry++) {
+ // Check if the memory map entry is marked as useable!
+ if (entry->type != 1) {
+ continue;
+ }
+
+ e9_printf("\t\t addr=%x", entry->addr);
+ e9_printf("\t\t length=%x", entry->len);
+ e9_printf("\t\t type=Useable");
+
+ // Now this might be a bit confusing since but `entry->size` represents the
+ // is the size of the associated structure in bytes and `entry->len` represents the
+ // size of the memory region.
+ total_mem += entry->len;
+ }
+
+ e9_printf("Total usable memory: %x", total_mem);
+ }
+
+ // TODO(Andy-Python-Programmer): Drives are unimplemented
+ // TODO(Andy-Python-Programmer): ROM config is unimplemented
+
+ e9_printf("\t bootloader_name: %s", info->bootloader_name);
+
+ // TODO(Andy-Python-Programmer): APM table is unimplemented
+ // TODO(Andy-Python-Programmer): VBE tag is unimplemented
+
+ e9_printf("\t fb_addr: %x", info->fb_addr);
+ e9_printf("\t fb_pitch: %x", info->fb_pitch);
+ e9_printf("\t fb_width: %x", info->fb_width);
+ e9_printf("\t fb_height: %x", info->fb_height);
+ e9_printf("\t fb_bpp: %x", info->fb_bpp);
+ e9_printf("\t fb_type: %x", info->fb_type);
+
+ e9_printf("\t fb_red_mask_shift: %x", info->fb_red_mask_shift);
+ e9_printf("\t fb_red_mask_size: %x", info->fb_red_mask_size);
+
+ e9_printf("\t fb_green_mask_shift: %x", info->fb_green_mask_shift);
+ e9_printf("\t fb_green_mask_size: %x", info->fb_green_mask_size);
+
+ e9_printf("\t fb_blue_mask_shift: %x", info->fb_blue_mask_shift);
+ e9_printf("\t fb_blue_mask_size: %x", info->fb_blue_mask_size);
+
+out:
+ for (;;);
+}
\ No newline at end of file
diff --git a/test/multiboot.ld b/test/multiboot.ld
new file mode 100644
index 00000000..22de8775
--- /dev/null
+++ b/test/multiboot.ld
@@ -0,0 +1,35 @@
+ENTRY(_start)
+
+SECTIONS {
+ . = 1M;
+
+ .boot :
+ {
+ /* Ensure that the multiboot header is at the beginning! */
+ *(.multiboot_header)
+ }
+
+ . = ALIGN(4K);
+ .text :
+ {
+ *(.text .text.*)
+ }
+
+ . = ALIGN(4K);
+ .rodata :
+ {
+ *(.rodata.*)
+ }
+
+ . = ALIGN(4K);
+ .data :
+ {
+ *(.data .data.*)
+ }
+
+ . = ALIGN(4K);
+ .bss :
+ {
+ *(.bss .bss.*)
+ }
+}
diff --git a/test/multiboot2.c b/test/multiboot2.c
index 0fb7ec55..8f82ae42 100644
--- a/test/multiboot2.c
+++ b/test/multiboot2.c
@@ -87,7 +87,7 @@ void multiboot2_main(uint32_t magic, struct multiboot_info* mb_info_addr) {
e9_printf("\t\t\t addr=%x", entry->addr);
e9_printf("\t\t\t len=%x", entry->len);
- e9_printf("\t\t\t type=%x", entry->type);
+ e9_printf("\t\t\t type=Useable");
total_mem += entry->len;
}
diff --git a/test/multiboot_trampoline.asm b/test/multiboot_trampoline.asm
new file mode 100644
index 00000000..4160faaf
--- /dev/null
+++ b/test/multiboot_trampoline.asm
@@ -0,0 +1,37 @@
+%define MULTIBOOT_HEADER_MAGIC 0x1badb002
+
+; Flags:
+;
+; bit 2: request framebuffer
+%define MULTIBOOT_HEADER_FLAGS (1 << 2)
+
+extern multiboot_main
+
+global _start
+
+section .multiboot_header
+
+align 4
+header_start:
+ dd MULTIBOOT_HEADER_MAGIC ; Magic number (multiboot 1)
+ dd MULTIBOOT_HEADER_FLAGS ; Flags
+ dd -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) ; Checksum
+header_end:
+
+section .text
+bits 32
+
+_start:
+ cli
+
+ mov esp, stack_top
+
+ push ebx
+ push eax
+
+ call multiboot_main ; Jump to our multiboot test kernel
+
+section .bss
+stack_bottom:
+ resb 4096 * 16
+stack_top:
