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author | Antony Pavlov <antonynpavlov@gmail.com> | 2018-12-18 10:19:34 +0300 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-01-07 08:53:18 +0100 |
commit | 8099f22c1bfac85110823ea2dafcfb01453bcbae (patch) | |
tree | 53ad0dbd618f659eacca533eb14c78582ed2b9dc /arch/riscv/boot/main_entry.c | |
parent | 64fc4ac1b50a06b17a72c7427e797b3a33a30e8c (diff) | |
download | barebox-8099f22c1bfac85110823ea2dafcfb01453bcbae.tar.gz barebox-8099f22c1bfac85110823ea2dafcfb01453bcbae.tar.xz |
Add initial RISC-V architecture support
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/riscv/boot/main_entry.c')
-rw-r--r-- | arch/riscv/boot/main_entry.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/riscv/boot/main_entry.c b/arch/riscv/boot/main_entry.c new file mode 100644 index 0000000000..f9c640c112 --- /dev/null +++ b/arch/riscv/boot/main_entry.c @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2016 Antony Pavlov <antonynpavlov@gmail.com> + * + * This file is part of barebox. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <common.h> +#include <memory.h> +#include <asm-generic/memory_layout.h> +#include <asm/sections.h> + +void main_entry(void); + +/** + * Called plainly from assembler code + * + * @note The C environment isn't initialized yet + */ +void main_entry(void) +{ + /* clear the BSS first */ + memset(__bss_start, 0x00, __bss_stop - __bss_start); + + mem_malloc_init((void *)MALLOC_BASE, + (void *)(MALLOC_BASE + MALLOC_SIZE - 1)); + + start_barebox(); +} |