GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+#ifndef _ASM_X86_E820_H
+#define _ASM_X86_E820_H
+
+#define E820MAX		128	/* number of entries in E820MAP */
+
+#define E820_RAM	1
+#define E820_RESERVED	2
+#define E820_ACPI	3
+#define E820_NVS	4
+#define E820_UNUSABLE	5
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+struct e820_entry {
+	__u64 addr;	/* start of memory segment */
+	__u64 size;	/* size of memory segment */
+	__u32 type;	/* type of memory segment */
+} __attribute__((packed));
+
+#define ISA_START_ADDRESS	0xa0000
+#define ISA_END_ADDRESS		0x100000
+
+#endif /* __ASSEMBLY__ */
+
+/* Implementation defined function to install an e820 map */
+unsigned int install_e820_map(unsigned int max_entries,
+			      struct e820_entry *);
+
+#endif /* _ASM_X86_E820_H */