Limine Bare Bones: Difference between revisions
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===Overview=== |
===Overview=== |
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For this example, we will create these 2 files: |
For this example, we will create these 2 files and place them in the same directory: |
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* |
* kernel.c |
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* linker.ld |
* linker.ld |
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As one may notice, there is no "entry point" assembly stub, as one is not necessary with the Limine protocol when using a language which can make use of a standard SysV x86 [[Calling Conventions|calling convention]]. |
As one may notice, there is no "entry point" assembly stub, as one is not necessary with the Limine protocol when using a language which can make use of a standard SysV x86 [[Calling Conventions|calling convention]]. |
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Furthermore, we will download the header file '''limine.h''' which defines structures and constants that we will use to interact with the bootloader from [https://raw.githubusercontent.com/limine-bootloader/limine/trunk/limine.h here], and place it in |
Furthermore, we will download the header file '''limine.h''' which defines structures and constants that we will use to interact with the bootloader from [https://raw.githubusercontent.com/limine-bootloader/limine/trunk/limine.h here], and place it in the same directory as the other files. |
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Obviously, this is just a bare bones example, and one should always refer to the [https://github.com/limine-bootloader/limine/blob/trunk/PROTOCOL.md Limine protocol specification] for more details and information. |
Obviously, this is just a bare bones example, and one should always refer to the [https://github.com/limine-bootloader/limine/blob/trunk/PROTOCOL.md Limine protocol specification] for more details and information. |
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=== |
===kernel.c=== |
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This is the kernel "main". |
This is the kernel "main". |
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# Use find to glob all *.c, *.S, and *.asm files in the directory and extract the object names. |
# Use find to glob all *.c, *.S, and *.asm files in the directory and extract the object names. |
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override CFILES := $(shell find |
override CFILES := $(shell find . -type f -name '*.c' | grep -v 'limine/') |
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override ASFILES := $(shell find |
override ASFILES := $(shell find . -type f -name '*.S' | grep -v 'limine/') |
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override NASMFILES := $(shell find |
override NASMFILES := $(shell find . -type f -name '*.asm' | grep -v 'limine/') |
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override OBJ := $(CFILES:.c=.o) $(ASFILES:.S=.o) $(NASMFILES:.asm=.o) |
override OBJ := $(CFILES:.c=.o) $(ASFILES:.S=.o) $(NASMFILES:.asm=.o) |
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override HEADER_DEPS := $(CFILES:.c=.d) $(ASFILES:.S=.d) |
override HEADER_DEPS := $(CFILES:.c=.d) $(ASFILES:.S=.d) |
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