Add build system scaffolding and libc headers

1 files changed, 164 insertions, 0 deletions

diff --git a/include/arch/x86_64/linux/iso_fs.h b/include/arch/x86_64/linux/iso_fs.h
new file mode 100644
index 00000000..56998d8f
--- /dev/null
+++ b/include/arch/x86_64/linux/iso_fs.h
@@ -0,0 +1,164 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _ISOFS_FS_H
+#define _ISOFS_FS_H
+
+#include <linux/types.h>
+#include <linux/magic.h>
+
+/*
+ * The isofs filesystem constants/structures
+ */
+
+/* This part borrowed from the bsd386 isofs */
+#define ISODCL(from, to) (to - from + 1)
+
+struct iso_volume_descriptor {
+	__u8 type[ISODCL(1, 1)]; /* 711 */
+	char id[ISODCL(2, 6)];
+	__u8 version[ISODCL(7, 7)];
+	__u8 data[ISODCL(8, 2048)];
+};
+
+/* volume descriptor types */
+#define ISO_VD_PRIMARY	     1
+#define ISO_VD_SUPPLEMENTARY 2
+#define ISO_VD_END	     255
+
+#define ISO_STANDARD_ID "CD001"
+
+struct iso_primary_descriptor {
+	__u8 type[ISODCL(1, 1)]; /* 711 */
+	char id[ISODCL(2, 6)];
+	__u8 version[ISODCL(7, 7)]; /* 711 */
+	__u8 unused1[ISODCL(8, 8)];
+	char system_id[ISODCL(9, 40)];	/* achars */
+	char volume_id[ISODCL(41, 72)]; /* dchars */
+	__u8 unused2[ISODCL(73, 80)];
+	__u8 volume_space_size[ISODCL(81, 88)]; /* 733 */
+	__u8 unused3[ISODCL(89, 120)];
+	__u8 volume_set_size[ISODCL(121, 124)];	       /* 723 */
+	__u8 volume_sequence_number[ISODCL(125, 128)]; /* 723 */
+	__u8 logical_block_size[ISODCL(129, 132)];     /* 723 */
+	__u8 path_table_size[ISODCL(133, 140)];	       /* 733 */
+	__u8 type_l_path_table[ISODCL(141, 144)];      /* 731 */
+	__u8 opt_type_l_path_table[ISODCL(145, 148)];  /* 731 */
+	__u8 type_m_path_table[ISODCL(149, 152)];      /* 732 */
+	__u8 opt_type_m_path_table[ISODCL(153, 156)];  /* 732 */
+	__u8 root_directory_record[ISODCL(157, 190)];  /* 9.1 */
+	char volume_set_id[ISODCL(191, 318)];	       /* dchars */
+	char publisher_id[ISODCL(319, 446)];	       /* achars */
+	char preparer_id[ISODCL(447, 574)];	       /* achars */
+	char application_id[ISODCL(575, 702)];	       /* achars */
+	char copyright_file_id[ISODCL(703, 739)];      /* 7.5 dchars */
+	char abstract_file_id[ISODCL(740, 776)];       /* 7.5 dchars */
+	char bibliographic_file_id[ISODCL(777, 813)];  /* 7.5 dchars */
+	__u8 creation_date[ISODCL(814, 830)];	       /* 8.4.26.1 */
+	__u8 modification_date[ISODCL(831, 847)];      /* 8.4.26.1 */
+	__u8 expiration_date[ISODCL(848, 864)];	       /* 8.4.26.1 */
+	__u8 effective_date[ISODCL(865, 881)];	       /* 8.4.26.1 */
+	__u8 file_structure_version[ISODCL(882, 882)]; /* 711 */
+	__u8 unused4[ISODCL(883, 883)];
+	__u8 application_data[ISODCL(884, 1395)];
+	__u8 unused5[ISODCL(1396, 2048)];
+};
+
+/* Almost the same as the primary descriptor but two fields are specified */
+struct iso_supplementary_descriptor {
+	__u8 type[ISODCL(1, 1)]; /* 711 */
+	char id[ISODCL(2, 6)];
+	__u8 version[ISODCL(7, 7)];	/* 711 */
+	__u8 flags[ISODCL(8, 8)];	/* 853 */
+	char system_id[ISODCL(9, 40)];	/* achars */
+	char volume_id[ISODCL(41, 72)]; /* dchars */
+	__u8 unused2[ISODCL(73, 80)];
+	__u8 volume_space_size[ISODCL(81, 88)];	       /* 733 */
+	__u8 escape[ISODCL(89, 120)];		       /* 856 */
+	__u8 volume_set_size[ISODCL(121, 124)];	       /* 723 */
+	__u8 volume_sequence_number[ISODCL(125, 128)]; /* 723 */
+	__u8 logical_block_size[ISODCL(129, 132)];     /* 723 */
+	__u8 path_table_size[ISODCL(133, 140)];	       /* 733 */
+	__u8 type_l_path_table[ISODCL(141, 144)];      /* 731 */
+	__u8 opt_type_l_path_table[ISODCL(145, 148)];  /* 731 */
+	__u8 type_m_path_table[ISODCL(149, 152)];      /* 732 */
+	__u8 opt_type_m_path_table[ISODCL(153, 156)];  /* 732 */
+	__u8 root_directory_record[ISODCL(157, 190)];  /* 9.1 */
+	char volume_set_id[ISODCL(191, 318)];	       /* dchars */
+	char publisher_id[ISODCL(319, 446)];	       /* achars */
+	char preparer_id[ISODCL(447, 574)];	       /* achars */
+	char application_id[ISODCL(575, 702)];	       /* achars */
+	char copyright_file_id[ISODCL(703, 739)];      /* 7.5 dchars */
+	char abstract_file_id[ISODCL(740, 776)];       /* 7.5 dchars */
+	char bibliographic_file_id[ISODCL(777, 813)];  /* 7.5 dchars */
+	__u8 creation_date[ISODCL(814, 830)];	       /* 8.4.26.1 */
+	__u8 modification_date[ISODCL(831, 847)];      /* 8.4.26.1 */
+	__u8 expiration_date[ISODCL(848, 864)];	       /* 8.4.26.1 */
+	__u8 effective_date[ISODCL(865, 881)];	       /* 8.4.26.1 */
+	__u8 file_structure_version[ISODCL(882, 882)]; /* 711 */
+	__u8 unused4[ISODCL(883, 883)];
+	__u8 application_data[ISODCL(884, 1395)];
+	__u8 unused5[ISODCL(1396, 2048)];
+};
+
+#define HS_STANDARD_ID "CDROM"
+
+struct hs_volume_descriptor {
+	__u8 foo[ISODCL(1, 8)];	 /* 733 */
+	__u8 type[ISODCL(9, 9)]; /* 711 */
+	char id[ISODCL(10, 14)];
+	__u8 version[ISODCL(15, 15)]; /* 711 */
+	__u8 data[ISODCL(16, 2048)];
+};
+
+struct hs_primary_descriptor {
+	__u8 foo[ISODCL(1, 8)];	 /* 733 */
+	__u8 type[ISODCL(9, 9)]; /* 711 */
+	__u8 id[ISODCL(10, 14)];
+	__u8 version[ISODCL(15, 15)];		       /* 711 */
+	__u8 unused1[ISODCL(16, 16)];		       /* 711 */
+	char system_id[ISODCL(17, 48)];		       /* achars */
+	char volume_id[ISODCL(49, 80)];		       /* dchars */
+	__u8 unused2[ISODCL(81, 88)];		       /* 733 */
+	__u8 volume_space_size[ISODCL(89, 96)];	       /* 733 */
+	__u8 unused3[ISODCL(97, 128)];		       /* 733 */
+	__u8 volume_set_size[ISODCL(129, 132)];	       /* 723 */
+	__u8 volume_sequence_number[ISODCL(133, 136)]; /* 723 */
+	__u8 logical_block_size[ISODCL(137, 140)];     /* 723 */
+	__u8 path_table_size[ISODCL(141, 148)];	       /* 733 */
+	__u8 type_l_path_table[ISODCL(149, 152)];      /* 731 */
+	__u8 unused4[ISODCL(153, 180)];		       /* 733 */
+	__u8 root_directory_record[ISODCL(181, 214)];  /* 9.1 */
+};
+
+/* We use this to help us look up the parent inode numbers. */
+
+struct iso_path_table {
+	__u8 name_len[2]; /* 721 */
+	__u8 extent[4];	  /* 731 */
+	__u8 parent[2];	  /* 721 */
+	char name[];
+} __attribute__((packed));
+
+/* high sierra is identical to iso, except that the date is only 6 bytes, and
+   there is an extra reserved byte after the flags */
+
+struct iso_directory_record {
+	__u8 length[ISODCL(1, 1)];	    /* 711 */
+	__u8 ext_attr_length[ISODCL(2, 2)]; /* 711 */
+	__u8 extent[ISODCL(3, 10)];	    /* 733 */
+	__u8 size[ISODCL(11, 18)];	    /* 733 */
+	__u8 date[ISODCL(19, 25)];	    /* 7 by 711 */
+	__u8 flags[ISODCL(26, 26)];
+	__u8 file_unit_size[ISODCL(27, 27)];	     /* 711 */
+	__u8 interleave[ISODCL(28, 28)];	     /* 711 */
+	__u8 volume_sequence_number[ISODCL(29, 32)]; /* 723 */
+	__u8 name_len[ISODCL(33, 33)];		     /* 711 */
+	char name[];
+} __attribute__((packed));
+
+#define ISOFS_BLOCK_BITS 11
+#define ISOFS_BLOCK_SIZE 2048
+
+#define ISOFS_BUFFER_SIZE(INODE) ((INODE)->i_sb->s_blocksize)
+#define ISOFS_BUFFER_BITS(INODE) ((INODE)->i_sb->s_blocksize_bits)
+
+#endif /* _ISOFS_FS_H */