1 files changed, 61 insertions, 26 deletions
diff --git a/src/include/ipxe/io.h b/src/include/ipxe/io.h
index fe1388191..1bb49370c 100644
--- a/src/include/ipxe/io.h
+++ b/src/include/ipxe/io.h
@@ -17,6 +17,7 @@
  */
 
 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+FILE_SECBOOT ( PERMITTED );
 
 #include <stdint.h>
 #include <ipxe/api.h>
@@ -330,6 +331,66 @@ void outl ( uint32_t data, volatile uint32_t *io_addr );
 	IOAPI_WRITE ( outl, uint32_t, data, io_addr, "IO", 8 )
 
 /**
+ * Read byte from I/O-mapped or memory-mapped device
+ *
+ * @v io_addr		I/O address
+ * @ret data		Value read
+ */
+uint8_t ioread8 ( volatile uint8_t *io_addr );
+#define ioread8( io_addr ) \
+	IOAPI_READ ( ioread8, uint8_t, io_addr, "IO/MEM", 2 )
+
+/**
+ * Read 16-bit word from I/O-mapped or memory-mapped device
+ *
+ * @v io_addr		I/O address
+ * @ret data		Value read
+ */
+uint16_t ioread16 ( volatile uint16_t *io_addr );
+#define ioread16( io_addr ) \
+	IOAPI_READ ( ioread16, uint16_t, io_addr, "IO/MEM", 4 )
+
+/**
+ * Read 32-bit dword from I/O-mapped or memory-mapped device
+ *
+ * @v io_addr		I/O address
+ * @ret data		Value read
+ */
+uint32_t ioread32 ( volatile uint32_t *io_addr );
+#define ioread32( io_addr ) \
+	IOAPI_READ ( ioread32, uint32_t, io_addr, "IO/MEM", 8 )
+
+/**
+ * Write byte to I/O-mapped or memory-mapped device
+ *
+ * @v data		Value to write
+ * @v io_addr		I/O address
+ */
+void iowrite8 ( uint8_t data, volatile uint8_t *io_addr );
+#define iowrite8( data, io_addr ) \
+	IOAPI_WRITE ( iowrite8, uint8_t, data, io_addr, "IO/MEM", 2 )
+
+/**
+ * Write 16-bit word to I/O-mapped or memory-mapped device
+ *
+ * @v data		Value to write
+ * @v io_addr		I/O address
+ */
+void iowrite16 ( uint16_t data, volatile uint16_t *io_addr );
+#define iowrite16( data, io_addr ) \
+	IOAPI_WRITE ( iowrite16, uint16_t, data, io_addr, "IO/MEM", 4 )
+
+/**
+ * Write 32-bit dword to I/O-mapped or memory-mapped device
+ *
+ * @v data		Value to write
+ * @v io_addr		I/O address
+ */
+void iowrite32 ( uint32_t data, volatile uint32_t *io_addr );
+#define iowrite32( data, io_addr ) \
+	IOAPI_WRITE ( iowrite32, uint32_t, data, io_addr, "IO/MEM", 8 )
+
+/**
  * Read bytes from I/O-mapped device
  *
  * @v io_addr		I/O address
@@ -484,30 +545,4 @@ void mb ( void );
 #define rmb()	mb()
 #define wmb()	mb()
 
-/** A usable memory region */
-struct memory_region {
-	/** Physical start address */
-	uint64_t start;
-	/** Physical end address */
-	uint64_t end;
-};
-
-/** Maximum number of memory regions we expect to encounter */
-#define MAX_MEMORY_REGIONS 8
-
-/** A memory map */
-struct memory_map {
-	/** Memory regions */
-	struct memory_region regions[MAX_MEMORY_REGIONS];
-	/** Number of used regions */
-	unsigned int count;
-};
-
-/**
- * Get memory map
- *
- * @v memmap		Memory map to fill in
- */
-void get_memmap ( struct memory_map *memmap );
-
 #endif /* _IPXE_IO_H */