diff options
Diffstat (limited to 'arch/riscv/include/asm/barebox-riscv-head.h')
| -rw-r--r-- | arch/riscv/include/asm/barebox-riscv-head.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/barebox-riscv-head.h b/arch/riscv/include/asm/barebox-riscv-head.h new file mode 100644 index 0000000000..f681ec8bce --- /dev/null +++ b/arch/riscv/include/asm/barebox-riscv-head.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Copyright (c) 2021 Ahmad Fatoum, Pengutronix */ + +#ifndef __ASM_RISCV_HEAD_H +#define __ASM_RISCV_HEAD_H + +#include <linux/kernel.h> +#include <asm/image.h> + +#define ____barebox_riscv_header(instr, load_offset, version, magic1, magic2) \ + __asm__ __volatile__ ( \ + instr "\n" /* code0 */ \ + "j 1f\n" /* code1 */ \ + ".balign 8\n" \ + ".dword " #load_offset "\n" /* Image load offset from RAM start */ \ + ".dword _barebox_image_size\n" /* Effective Image size */ \ + ".dword 0\n" /* Kernel flags */ \ + ".word " #version "\n" /* version */ \ + ".word 0\n" /* reserved */ \ + ".dword 0\n" /* reserved */ \ + ".asciz \"" magic1 "\"\n" /* magic 1 */ \ + ".balign 8\n" \ + ".ascii \"" magic2 "\"\n" /* magic 2 */ \ + ".word 0\n" /* reserved (PE-COFF offset) */ \ + "1:\n" \ + ) + +#define __barebox_riscv_header(instr, load_offset, version, magic1, magic2) \ + ____barebox_riscv_header(instr, load_offset, version, magic1, magic2) + +#ifndef __barebox_riscv_head +#define __barebox_riscv_head() \ + __barebox_riscv_header("nop", 0x55555555FFFFFFFF, 0x0, "barebox", "RSCV") +#endif + +#endif /* __ASM_RISCV_HEAD_H */ |