kotovalexarian-likes-gitlab/bztsrc--bootboot
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Recompiled with gcc 8.2.0

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This commit is contained in:
bzt 2019-02-22 17:11:29 +01:00
parent be499c1cf1
commit 29b0b119a7
10 changed files with 23 additions and 23 deletions
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2
README.md
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@ -12,7 +12,7 @@ I provide pre-compiled images ready for use.
[boot.bin](https://gitlab.com/bztsrc/bootboot/raw/master/boot.bin) (512 bytes, works as MBR, VBR and CDROM boot record too), [bootboot.bin](https://gitlab.com/bztsrc/bootboot/raw/master/bootboot.bin) (11k, loaded by boot.bin, also BBS Expansion ROM and Multiboot compliant)
3. *aarch64-rpi* ARMv8 boot loader for Raspberry Pi 3
[bootboot.img](https://gitlab.com/bztsrc/bootboot/raw/master/bootboot.img) (30k)
[bootboot.img](https://gitlab.com/bztsrc/bootboot/raw/master/bootboot.img) (31k)
4. *mykernel* an example BOOTBOOT [compatible kernel](https://gitlab.com/bztsrc/bootboot/tree/master/mykernel) in C which draws lines and boxes

6
aarch64-rpi/Makefile
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@ -1,8 +1,8 @@
all: boot.S bootboot.c fs.h
@echo " src aarch64-rpi (Raspberry Pi 3+)"
@aarch64-elf-gcc -Wall -O2 -ffreestanding -nostdinc -nostdlib -nostartfiles -c boot.S -o boot.o
@aarch64-elf-gcc -Wall -O2 -ffreestanding -nostdinc -nostdlib -nostartfiles -I ./ -c tinflate.c -o tinflate.o
@aarch64-elf-gcc -Wall -O2 -ffreestanding -nostdinc -nostdlib -nostartfiles -I ./ -c bootboot.c -o bootboot.o
@aarch64-elf-gcc -Wall -O2 -ffreestanding -nostdinc -nostdlib -nostartfiles -fno-stack-protector -c boot.S -o boot.o
@aarch64-elf-gcc -Wall -O2 -ffreestanding -nostdinc -nostdlib -nostartfiles -fno-stack-protector -I ./ -c tinflate.c -o tinflate.o
@aarch64-elf-gcc -Wall -O2 -ffreestanding -nostdinc -nostdlib -nostartfiles -fno-stack-protector -I ./ -c bootboot.c -o bootboot.o
@aarch64-elf-ld -r -b binary -o font.o font.psf
@aarch64-elf-ld -nostdlib -nostartfiles boot.o bootboot.o tinflate.o font.o -T link.ld -o bootboot.elf
@aarch64-elf-objcopy -O binary bootboot.elf ../bootboot.img

3
aarch64-rpi/boot.S
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@ -56,7 +56,8 @@ _start:
// running at EL2?
1: cmp x0, #4
beq 1f
msr sp_el1, x1
mov x2, #4096
msr sp_el1, x2
// set up exception handlers
ldr x2, =_vectors
msr vbar_el2, x2

BIN
bootboot.efi
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BIN
bootboot.img
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BIN
bootboot.rom
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BIN
mykernel/mykernel.aarch64.elf
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12
mykernel/mykernel.aarch64.txt
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@ -10,7 +10,7 @@ ELF Header:
Version: 0x1
Entry point address: 0xffffffffffe02000
Start of program headers: 64 (bytes into file)
Start of section headers: 3736 (bytes into file)
Start of section headers: 3728 (bytes into file)
Flags: 0x0
Size of this header: 64 (bytes)
Size of program headers: 56 (bytes)
@ -23,19 +23,19 @@ Program Headers:
Type Offset VirtAddr PhysAddr
FileSiz MemSiz Flags Align
LOAD 0x0000000000000078 0xffffffffffe02000 0xffffffffffe02000
0x0000000000000cf0 0x0000000000000cf0 RWE 0x8
0x0000000000000ce8 0x0000000000000cf0 RWE 0x8
Section to Segment mapping:
Segment Sections...
00 .text .got .got.plt
00 .text .got .got.plt .bss
Symbol table '.symtab' contains 9 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: ffffffffffe02000 0 SECTION LOCAL DEFAULT 1
2: ffffffffffe02cb8 0 SECTION LOCAL DEFAULT 2
3: ffffffffffe02cd8 0 SECTION LOCAL DEFAULT 3
4: ffffffffffe02cf0 0 SECTION LOCAL DEFAULT 4
2: ffffffffffe02cb0 0 SECTION LOCAL DEFAULT 2
3: ffffffffffe02cd0 0 SECTION LOCAL DEFAULT 3
4: ffffffffffe02ce8 0 SECTION LOCAL DEFAULT 4
5: ffffffffffe01000 0 NOTYPE GLOBAL DEFAULT 1 environment
6: fffffffffc000000 0 NOTYPE GLOBAL DEFAULT ABS fb
7: ffffffffffe00000 0 NOTYPE GLOBAL DEFAULT 1 bootboot

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mykernel/mykernel.x86_64.elf
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23
mykernel/mykernel.x86_64.txt
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@ -10,32 +10,31 @@ ELF Header:
Version: 0x1
Entry point address: 0xffffffffffe02000
Start of program headers: 64 (bytes into file)
Start of section headers: 3344 (bytes into file)
Start of section headers: 3288 (bytes into file)
Flags: 0x0
Size of this header: 64 (bytes)
Size of program headers: 56 (bytes)
Number of program headers: 1
Size of section headers: 64 (bytes)
Number of section headers: 7
Section header string table index: 6
Number of section headers: 6
Section header string table index: 5
Program Headers:
Type Offset VirtAddr PhysAddr
FileSiz MemSiz Flags Align
LOAD 0x0000000000000078 0xffffffffffe02000 0xffffffffffe02000
0x0000000000000b88 0x0000000000000b90 RWE 0x8
0x0000000000000b6c 0x0000000000000b70 RWE 0x8
Section to Segment mapping:
Segment Sections...
00 .text .got.plt .bss
00 .text .bss
Symbol table '.symtab' contains 8 entries:
Symbol table '.symtab' contains 7 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: ffffffffffe02000 0 SECTION LOCAL DEFAULT 1
2: ffffffffffe02b70 0 SECTION LOCAL DEFAULT 2
3: ffffffffffe02b88 0 SECTION LOCAL DEFAULT 3
4: ffffffffffe01000 0 NOTYPE GLOBAL DEFAULT 1 environment
5: fffffffffc000000 0 NOTYPE GLOBAL DEFAULT ABS fb
6: ffffffffffe00000 0 NOTYPE GLOBAL DEFAULT 1 bootboot
7: fffffffff8000000 0 NOTYPE GLOBAL DEFAULT ABS mmio
2: ffffffffffe02b6c 0 SECTION LOCAL DEFAULT 2
3: ffffffffffe01000 0 NOTYPE GLOBAL DEFAULT 1 environment
4: fffffffffc000000 0 NOTYPE GLOBAL DEFAULT ABS fb
5: ffffffffffe00000 0 NOTYPE GLOBAL DEFAULT 1 bootboot
6: fffffffff8000000 0 NOTYPE GLOBAL DEFAULT ABS mmio