diff options
| author | Marvin Borner | 2020-11-17 22:38:16 +0100 |
|---|---|---|
| committer | Marvin Borner | 2020-11-17 22:38:16 +0100 |
| commit | 5443567733f00e8217731c1241f565025e6f4c9e (patch) | |
| tree | f10b5aafba21f02f6aa816a7a5419a2ed8161a4e | |
| parent | 72143cff9dbde52d6165742e43b1d20b13bb23e7 (diff) | |
I think this fixes quite many bugs!
For real though! First tests show no weird bugs anymore.
| -rw-r--r-- | Makefile | 4 | ||||
| -rw-r--r-- | kernel/Makefile | 2 | ||||
| -rw-r--r-- | kernel/link.ld | 30 |
3 files changed, 33 insertions, 3 deletions
@@ -1,13 +1,13 @@ # MIT License, Copyright (c) 2020 Marvin Borner # Kernel optimization -OPTIMIZATION = -Os +OPTIMIZATION = -Ofast # Remove tree optimizations for kernel #CFLAGS_EXTRA = -fno-tree-bit-ccp -fno-tree-builtin-call-dce -fno-tree-ccp -fno-tree-ch -fno-tree-coalesce-vars -fno-tree-copy-prop -fno-tree-dce -fno-tree-dominator-opts -fno-tree-dse -fno-tree-fre -fno-tree-pta -fno-tree-sink -fno-tree-slsr -fno-tree-sra -fno-tree-ter -fno-tree-loop-vectorize -fno-inline-functions -fno-inline-functions-called-once # Remove ipa optimizations for kernel #CFLAGS_EXTRA += -fno-inline-functions -fno-inline-functions-called-once -fno-reorder-functions -fno-reorder-blocks -fno-reorder-blocks-and-partition -fno-ipa-profile -fno-ipa-pure-const -fno-ipa-reference -fno-ipa-reference-addressable -fno-merge-constants -fno-ipa-bit-cp -fno-ipa-cp -fno-ipa-icf -fno-ipa-ra -fno-ipa-sra -fno-ipa-vrp -fno-ipa-cp-clone -CFLAGS_EXTRA = -fno-inline -fno-inline-functions -fno-asynchronous-unwind-tables +CFLAGS_EXTRA = -finline -finline-functions all: compile diff --git a/kernel/Makefile b/kernel/Makefile index 1bc41c5..64b5993 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -36,4 +36,4 @@ all: compile compile: $(COBJS) @mkdir -p ../build/ @$(LD) -N -ekernel_main -Ttext 0x00050000 -o ../build/kernel.elf -L../build/ $+ -lk - @$(OC) -O binary ../build/kernel.elf ../build/kernel.bin + @$(LD) -N -Tlink.ld -o ../build/kernel.bin -L../build/ $+ -lk diff --git a/kernel/link.ld b/kernel/link.ld new file mode 100644 index 0000000..0d8d865 --- /dev/null +++ b/kernel/link.ld @@ -0,0 +1,30 @@ +OUTPUT_FORMAT("binary") +OUTPUT_ARCH(i386) +ENTRY(kernel_main) +phys = 0x00050000; + +SECTIONS +{ + .text phys : AT(phys) { + code = .; + *(.text) + *(.rodata) + . = ALIGN(4096); + } + + .data : AT(phys + (data - code)) + { + data = .; + *(.data) + . = ALIGN(4096); + } + + .bss : AT(phys + (bss - code)) + { + bss = .; + *(.bss) + . = ALIGN(4096); + } + + end = .; +} |