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| author | Miquel Sabaté Solà <mikisabate@gmail.com> | 2024-08-28 22:25:56 +0200 |
|---|---|---|
| committer | Miquel Sabaté Solà <mikisabate@gmail.com> | 2024-12-05 16:02:49 +0100 |
| commit | ab03d3be21f229be8c28dba292d5da237a929a73 (patch) | |
| tree | 8bc53e3031f644532fec255bb392a90cd4ad59fb /bios | |
| parent | 1a36e6211674f1a39c7cc0ddff705357a4add65a (diff) | |
| download | farga-ab03d3be21f229be8c28dba292d5da237a929a73.tar.gz farga-ab03d3be21f229be8c28dba292d5da237a929a73.zip | |
Restructure the whole thing
It will be something more than just messing around with RISC-V stuff.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
Diffstat (limited to 'bios')
| -rw-r--r-- | bios/Makefile | 25 | ||||
| -rw-r--r-- | bios/config.ld | 9 | ||||
| -rw-r--r-- | bios/hello.s | 23 |
3 files changed, 0 insertions, 57 deletions
diff --git a/bios/Makefile b/bios/Makefile deleted file mode 100644 index 60e3cc4..0000000 --- a/bios/Makefile +++ /dev/null @@ -1,25 +0,0 @@ -NAME = hello - -CROSS_AS ?= riscv64-suse-linux-as -CROSS_LD ?= riscv64-suse-linux-ld -CROSS_DUMP ?= riscv64-suse-linux-objdump -ASFLAGS = -march=rv64g -mabi=lp64 - -EMU ?= qemu-system-riscv64 - -## -# Targets - -.PHONY: run -run: clean build - $(CROSS_DUMP) -D $(NAME) - $(EMU) -machine virt -bios hello - -.PHONY: build -build: - $(CROSS_AS) $(ASFLAGS) -o $(NAME).o -c $(NAME).s - $(CROSS_LD) -T config.ld $(NAME).o -o $(NAME) - -.PHONY: clean -clean: - @rm -f $(NAME).o $(NAME) diff --git a/bios/config.ld b/bios/config.ld deleted file mode 100644 index 085caa3..0000000 --- a/bios/config.ld +++ /dev/null @@ -1,9 +0,0 @@ -MEMORY { - dram_space (rwx) : ORIGIN = 0x80000000, LENGTH = 128 -} - -SECTIONS { - .text : { - hello.o(.text.bios) - } > dram_space -} diff --git a/bios/hello.s b/bios/hello.s deleted file mode 100644 index f3aa20a..0000000 --- a/bios/hello.s +++ /dev/null @@ -1,23 +0,0 @@ -# From: https://github.com/qemu/qemu/blob/23fa74974d8c96bc95cbecc0d4e2d90f984939f6/hw/riscv/virt.c#L82. -.set QEMU_UART0_ADDRESS, 0x10000000 - -.global _start -.section .text.bios - -_start: li a0, 0x68 - li a1, QEMU_UART0_ADDRESS - sb a0, (a1) # 'h' - - li a0, 0x65 - sb a0, (a1) # 'e' - - li a0, 0x6C - sb a0, (a1) # 'l' - - li a0, 0x6C - sb a0, (a1) # 'l' - - li a0, 0x6F - sb a0, (a1) # 'o' - -loop: j loop |