修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/include/linux/pe.h
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@@ -1,18 +1,7 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright 2011 Red Hat, Inc.
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  * All rights reserved.
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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 2 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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  * Author(s): Peter Jones <pjones@redhat.com>
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  */
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@@ -20,6 +9,27 @@
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 #define __LINUX_PE_H
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 #include <linux/types.h>
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+
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+/*
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+ * Linux EFI stub v1.0 adds the following functionality:
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+ * - Loading initrd from the LINUX_EFI_INITRD_MEDIA_GUID device path,
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+ * - Loading/starting the kernel from firmware that targets a different
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+ *   machine type, via the entrypoint exposed in the .compat PE/COFF section.
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+ *
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+ * The recommended way of loading and starting v1.0 or later kernels is to use
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+ * the LoadImage() and StartImage() EFI boot services, and expose the initrd
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+ * via the LINUX_EFI_INITRD_MEDIA_GUID device path.
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+ *
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+ * Versions older than v1.0 support initrd loading via the image load options
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+ * (using initrd=, limited to the volume from which the kernel itself was
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+ * loaded), or via arch specific means (bootparams, DT, etc).
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+ *
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+ * On x86, LoadImage() and StartImage() can be omitted if the EFI handover
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+ * protocol is implemented, which can be inferred from the version,
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+ * handover_offset and xloadflags fields in the bootparams structure.
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+ */
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+#define LINUX_EFISTUB_MAJOR_VERSION		0x1
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+#define LINUX_EFISTUB_MINOR_VERSION		0x0
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 #define MZ_MAGIC	0x5a4d	/* "MZ" */
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@@ -45,6 +55,9 @@
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 #define	IMAGE_FILE_MACHINE_POWERPC	0x01f0
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 #define	IMAGE_FILE_MACHINE_POWERPCFP	0x01f1
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 #define	IMAGE_FILE_MACHINE_R4000	0x0166
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+#define	IMAGE_FILE_MACHINE_RISCV32	0x5032
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+#define	IMAGE_FILE_MACHINE_RISCV64	0x5064
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+#define	IMAGE_FILE_MACHINE_RISCV128	0x5128
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 #define	IMAGE_FILE_MACHINE_SH3		0x01a2
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 #define	IMAGE_FILE_MACHINE_SH3DSP	0x01a3
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 #define	IMAGE_FILE_MACHINE_SH3E		0x01a4
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@@ -166,7 +179,7 @@
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 	uint16_t oem_info;	/* oem specific */
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 	uint16_t reserved1[10];	/* reserved */
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 	uint32_t peaddr;	/* address of pe header */
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-	char     message[64];	/* message to print */
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+	char     message[];	/* message to print */
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 };
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 struct mz_reloc {