49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
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/*
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* Milkymist SoC
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* Copyright (C) 2007, 2008, 2009 Sebastien Bourdeauducq
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __SFL_H
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#define __SFL_H
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#define SFL_MAGIC_LEN 14
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#define SFL_MAGIC_REQ "sL5DdSMmkekro\n"
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#define SFL_MAGIC_ACK "z6IHG7cYDID6o\n"
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struct sfl_frame {
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unsigned char length;
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unsigned char crc[2];
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unsigned char cmd;
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unsigned char payload[255];
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} __attribute__((packed));
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/* General commands */
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#define SFL_CMD_ABORT 0x00
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#define SFL_CMD_LOAD 0x01
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#define SFL_CMD_JUMP 0x02
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/* Linux-specific commands */
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#define SFL_CMD_CMDLINE 0x03
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#define SFL_CMD_INITRDSTART 0x04
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#define SFL_CMD_INITRDEND 0x05
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/* Replies */
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#define SFL_ACK_SUCCESS 'K'
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#define SFL_ACK_CRCERROR 'C'
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#define SFL_ACK_UNKNOWN 'U'
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#define SFL_ACK_ERROR 'E'
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#endif /* __SFL_H */
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