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authorDaniel Baumann <mail@daniel-baumann.ch>2025-06-06 10:05:23 +0000
committerDaniel Baumann <mail@daniel-baumann.ch>2025-06-06 10:05:23 +0000
commit755cc582a2473d06f3a2131d506d0311cc70e9f9 (patch)
tree3efb1ddb8d57bbb4539ac0d229b384871c57820f /hw/m68k/bootinfo.h
parentInitial commit. (diff)
downloadqemu-upstream.tar.xz
qemu-upstream.zip
Adding upstream version 1:7.2+dfsg.upstream/1%7.2+dfsgupstream
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to 'hw/m68k/bootinfo.h')
-rw-r--r--hw/m68k/bootinfo.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/hw/m68k/bootinfo.h b/hw/m68k/bootinfo.h
new file mode 100644
index 00000000..a3d37e3c
--- /dev/null
+++ b/hw/m68k/bootinfo.h
@@ -0,0 +1,77 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+ *
+ * Bootinfo tags from linux bootinfo.h and bootinfo-mac.h:
+ * This is an easily parsable and extendable structure containing all
+ * information to be passed from the bootstrap to the kernel
+ *
+ * This structure is copied right after the kernel by the bootstrap
+ * routine.
+ */
+
+#ifndef HW_M68K_BOOTINFO_H
+#define HW_M68K_BOOTINFO_H
+
+#define BOOTINFO0(base, id) \
+ do { \
+ stw_p(base, id); \
+ base += 2; \
+ stw_p(base, sizeof(struct bi_record)); \
+ base += 2; \
+ } while (0)
+
+#define BOOTINFO1(base, id, value) \
+ do { \
+ stw_p(base, id); \
+ base += 2; \
+ stw_p(base, sizeof(struct bi_record) + 4); \
+ base += 2; \
+ stl_p(base, value); \
+ base += 4; \
+ } while (0)
+
+#define BOOTINFO2(base, id, value1, value2) \
+ do { \
+ stw_p(base, id); \
+ base += 2; \
+ stw_p(base, sizeof(struct bi_record) + 8); \
+ base += 2; \
+ stl_p(base, value1); \
+ base += 4; \
+ stl_p(base, value2); \
+ base += 4; \
+ } while (0)
+
+#define BOOTINFOSTR(base, id, string) \
+ do { \
+ int i; \
+ stw_p(base, id); \
+ base += 2; \
+ stw_p(base, \
+ (sizeof(struct bi_record) + strlen(string) + \
+ 1 /* null termination */ + 3 /* padding */) & ~3); \
+ base += 2; \
+ for (i = 0; string[i]; i++) { \
+ stb_p(base++, string[i]); \
+ } \
+ stb_p(base++, 0); \
+ base = QEMU_ALIGN_PTR_UP(base, 4); \
+ } while (0)
+
+#define BOOTINFODATA(base, id, data, len) \
+ do { \
+ int i; \
+ stw_p(base, id); \
+ base += 2; \
+ stw_p(base, \
+ (sizeof(struct bi_record) + len + \
+ 2 /* length field */ + 3 /* padding */) & ~3); \
+ base += 2; \
+ stw_p(base, len); \
+ base += 2; \
+ for (i = 0; i < len; ++i) { \
+ stb_p(base++, data[i]); \
+ } \
+ base = QEMU_ALIGN_PTR_UP(base, 4); \
+ } while (0)
+#endif