hrev54643 adds 1 changeset to branch 'master'
old head: e67a4284c0e9a2fb194335893872bc171e968029
new head: ad2226790662c78e979960a0c7237cf4b5a6fad2
overview:
https://git.haiku-os.org/haiku/log/?qt=range&q=ad2226790662+%5Ee67a4284c0e9
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ad2226790662: m68k: Add missing disklabel.h for NeXT support
Currently used by fixup_next_boot_floppy.
Change-Id: I47c10657b5280f00e470a3171ad11744859ce76c
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3310
Reviewed-by: Adrien Destugues <pulkomandy@xxxxxxxxx>
[ François Revol <revol@xxxxxxx> ]
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Revision: hrev54643
Commit: ad2226790662c78e979960a0c7237cf4b5a6fad2
URL: https://git.haiku-os.org/haiku/commit/?id=ad2226790662
Author: François Revol <revol@xxxxxxx>
Date: Fri Oct 2 20:49:47 2020 UTC
Committer: Adrien Destugues <pulkomandy@xxxxxxxxx>
Commit-Date: Mon Oct 12 06:36:15 2020 UTC
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1 file changed, 86 insertions(+)
.../kernel/platform/next_m68k/disklabel.h | 86 ++++++++++++++++++++
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diff --git a/headers/private/kernel/platform/next_m68k/disklabel.h
b/headers/private/kernel/platform/next_m68k/disklabel.h
new file mode 100644
index 0000000000..d74a9821d7
--- /dev/null
+++ b/headers/private/kernel/platform/next_m68k/disklabel.h
@@ -0,0 +1,86 @@
+/* adapted from NeXT headers:
+ * usr/include/sys/disktab.h
+ * usr/include/nextdev/disk.h
+ * simplified since we don't ware about disktab, and version < 3.
+ * see also:
+ * https://doxygen.reactos.org/d7/d53/bootblock_8h.html
+ */
+
+#include <sys/types.h>
+
+/* actually not packed, but aligned at 2 bytes */
+#pragma pack(push,2)
+
+struct disk_label {
+#define DL_V1 0x4e655854 /* version #1: "NeXT" */
+#define DL_V2 0x646c5632 /* version #2: "dlV2" */
+#define DL_V3 0x646c5633 /* version #3: "dlV3" */
+#define DL_VERSION DL_V3 /* default version */
+ int dl_version; /* label version number */
+ int dl_label_blkno; /* block # where this label is */
+ int dl_size; /* size of media area (sectors) */
+#define MAXLBLLEN 24
+ char dl_label[MAXLBLLEN]; /* media label */
+ u_int32_t dl_flags; /* flags */
+#define DL_UNINIT 0x80000000 /* label is uninitialized */
+ u_int32_t dl_tag; /* volume tag */
+ /* the rest really is a struct disktab dl_dt;*/ /*
common info in disktab */
+#define MAXDNMLEN 24
+ char dl_name[MAXDNMLEN]; /* drive name */
+#define MAXTYPLEN 24
+ char dl_type[MAXTYPLEN]; /* drive type */
+ int dl_secsize; /* sector size in bytes */
+ int dl_ntrack; /* # tracks/cylinder */
+ int dl_nsect; /* # sectors/track */
+ int dl_ncyl; /* # cylinders */
+ int dl_rpm; /* revolutions/minute */
+ short dl_front; /* size of front porch (sectors) */
+ short dl_back; /* size of back porch (sectors)
*/
+ short dl_ngroups; /* number of alt groups */
+ short dl_ag_size; /* alt group size (sectors) */
+ short dl_ag_alts; /* alternate sectors / alt group */
+ short dl_ag_off; /* sector offset to first alternate */
+#define NBOOTS 2
+ int dl_boot0_blkno[NBOOTS]; /* "blk 0" boot locations */
+#define MAXBFLEN 24
+ char dl_bootfile[MAXBFLEN]; /* default bootfile */
+#define MAXHNLEN 32
+ char dl_hostname[MAXHNLEN]; /* host name */
+ char dl_rootpartition; /* root partition e.g. 'a' */
+ char dl_rwpartition; /* r/w partition e.g. 'b' */
+#define NPART 8
+ struct partition {
+ int p_base; /* base sector# of partition */
+ int p_size; /* #sectors in partition */
+ short p_bsize; /* block size in bytes */
+ short p_fsize; /* frag size in bytes */
+ char p_opt; /* 's'pace/'t'ime optimization pref */
+ short p_cpg; /* cylinders per group */
+ short p_density; /* bytes per inode density */
+ char p_minfree; /* minfree (%) */
+ char p_newfs; /* run newfs during init */
+#define MAXMPTLEN 16
+ char p_mountpt[MAXMPTLEN];/* mount point */
+ char p_automnt; /* auto-mount when inserted */
+#define MAXFSTLEN 8
+ char p_type[MAXFSTLEN];/* file system type */
+ } dl_part[NPART];
+
+ /*
+ * if dl_version >= DL_V3 then the bad block table is relocated
+ * to a structure separate from the disk label.
+ */
+ union {
+ u_int16_t DL_v3_checksum;
+#define NBAD 1670 /* sized to make label ~= 8KB */
+ int DL_bad[NBAD]; /* block number that is bad */
+ } dl_un;
+#define dl_v3_checksum dl_un.DL_v3_checksum
+#define dl_bad dl_un.DL_bad
+ u_int16_t dl_checksum; /* ones complement checksum */
+
+ /* add things here so dl_checksum stays in a fixed place */
+};
+
+#pragma pack(pop)
+
