Initial import of qemu-2.4.1HEADmaster

16 files changed, 265 insertions, 0 deletions

diff --git a/roms/ipxe/src/arch/x86_64/include/bits/byteswap.h b/roms/ipxe/src/arch/x86_64/include/bits/byteswap.h
new file mode 100644
index 00000000..2e472d98
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/byteswap.h
@@ -0,0 +1,47 @@
+#ifndef _BITS_BYTESWAP_H
+#define _BITS_BYTESWAP_H
+
+/** @file
+ *
+ * Byte-order swapping functions
+ *
+ */
+
+#include <stdint.h>
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+static inline __attribute__ (( always_inline, const )) uint16_t
+__bswap_variable_16 ( uint16_t x ) {
+	__asm__ ( "xchgb %b0,%h0" : "=Q" ( x ) : "0" ( x ) );
+	return x;
+}
+
+static inline __attribute__ (( always_inline )) void
+__bswap_16s ( uint16_t *x ) {
+	__asm__ ( "rorw $8, %0" : "+m" ( *x ) );
+}
+
+static inline __attribute__ (( always_inline, const )) uint32_t
+__bswap_variable_32 ( uint32_t x ) {
+	__asm__ ( "bswapl %k0" : "=r" ( x ) : "0" ( x ) );
+	return x;
+}
+
+static inline __attribute__ (( always_inline )) void
+__bswap_32s ( uint32_t *x ) {
+	__asm__ ( "bswapl %k0" : "=r" ( *x ) : "0" ( *x ) );
+}
+
+static inline __attribute__ (( always_inline, const )) uint64_t
+__bswap_variable_64 ( uint64_t x ) {
+	__asm__ ( "bswapq %q0" : "=r" ( x ) : "0" ( x ) );
+	return x;
+}
+
+static inline __attribute__ (( always_inline )) void
+__bswap_64s ( uint64_t *x ) {
+	__asm__ ( "bswapq %q0" : "=r" ( *x ) : "0" ( *x ) );
+}
+
+#endif /* _BITS_BYTESWAP_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/compiler.h b/roms/ipxe/src/arch/x86_64/include/bits/compiler.h
new file mode 100644
index 00000000..51a7eaae
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/compiler.h
@@ -0,0 +1,14 @@
+#ifndef _BITS_COMPILER_H
+#define _BITS_COMPILER_H
+
+#ifndef ASSEMBLY
+
+/** Declare a function with standard calling conventions */
+#define __asmcall __attribute__ (( regparm(0) ))
+
+/** Declare a function with libgcc implicit linkage */
+#define __libgcc
+
+#endif /* ASSEMBLY */
+
+#endif /* _BITS_COMPILER_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/endian.h b/roms/ipxe/src/arch/x86_64/include/bits/endian.h
new file mode 100644
index 00000000..413e702d
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/endian.h
@@ -0,0 +1,6 @@
+#ifndef ETHERBOOT_BITS_ENDIAN_H
+#define ETHERBOOT_BITS_ENDIAN_H
+
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* ETHERBOOT_BITS_ENDIAN_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/entropy.h b/roms/ipxe/src/arch/x86_64/include/bits/entropy.h
new file mode 100644
index 00000000..9c64c833
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/entropy.h
@@ -0,0 +1,12 @@
+#ifndef _BITS_ENTROPY_H
+#define _BITS_ENTROPY_H
+
+/** @file
+ *
+ * x86_64-specific entropy API implementations
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#endif /* _BITS_ENTROPY_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/linux_api.h b/roms/ipxe/src/arch/x86_64/include/bits/linux_api.h
new file mode 100644
index 00000000..589fb580
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/linux_api.h
@@ -0,0 +1,6 @@
+#ifndef _X86_64_LINUX_API_H
+#define _X86_64_LINUX_API_H
+
+#define __SYSCALL_mmap __NR_mmap
+
+#endif /* _X86_64_LINUX_API_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/nap.h b/roms/ipxe/src/arch/x86_64/include/bits/nap.h
new file mode 100644
index 00000000..8b42c0a4
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/nap.h
@@ -0,0 +1,12 @@
+#ifndef _BITS_NAP_H
+#define _BITS_NAP_H
+
+/** @file
+ *
+ * x86_64-specific CPU sleeping API implementations
+ *
+ */
+
+#include <ipxe/efi/efix86_nap.h>
+
+#endif /* _BITS_MAP_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/profile.h b/roms/ipxe/src/arch/x86_64/include/bits/profile.h
new file mode 100644
index 00000000..6fc16d84
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/profile.h
@@ -0,0 +1,29 @@
+#ifndef _BITS_PROFILE_H
+#define _BITS_PROFILE_H
+
+/** @file
+ *
+ * Profiling
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+
+/**
+ * Get profiling timestamp
+ *
+ * @ret timestamp	Timestamp
+ */
+static inline __attribute__ (( always_inline )) uint64_t
+profile_timestamp ( void ) {
+	uint32_t eax;
+	uint32_t edx;
+
+	/* Read timestamp counter */
+	__asm__ __volatile__ ( "rdtsc" : "=a" ( eax ), "=d" ( edx ) );
+	return ( ( ( ( uint64_t ) edx ) << 32 ) | eax );
+}
+
+#endif /* _BITS_PROFILE_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/reboot.h b/roms/ipxe/src/arch/x86_64/include/bits/reboot.h
new file mode 100644
index 00000000..f1bce054
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/reboot.h
@@ -0,0 +1,12 @@
+#ifndef _BITS_REBOOT_H
+#define _BITS_REBOOT_H
+
+/** @file
+ *
+ * x86_64-specific reboot API implementations
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#endif /* _BITS_REBOOT_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/sanboot.h b/roms/ipxe/src/arch/x86_64/include/bits/sanboot.h
new file mode 100644
index 00000000..d33d03cb
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/sanboot.h
@@ -0,0 +1,12 @@
+#ifndef _BITS_SANBOOT_H
+#define _BITS_SANBOOT_H
+
+/** @file
+ *
+ * x86_64-specific sanboot API implementations
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#endif /* _BITS_SANBOOT_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/smbios.h b/roms/ipxe/src/arch/x86_64/include/bits/smbios.h
new file mode 100644
index 00000000..2f0118d0
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/smbios.h
@@ -0,0 +1,10 @@
+#ifndef _BITS_SMBIOS_H
+#define _BITS_SMBIOS_H
+
+/** @file
+ *
+ * i386-specific SMBIOS API implementations
+ *
+ */
+
+#endif /* _BITS_SMBIOS_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/stdint.h b/roms/ipxe/src/arch/x86_64/include/bits/stdint.h
new file mode 100644
index 00000000..9eb72e9c
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/stdint.h
@@ -0,0 +1,21 @@
+#ifndef _BITS_STDINT_H
+#define _BITS_STDINT_H
+
+typedef __SIZE_TYPE__		size_t;
+typedef signed long		ssize_t;
+typedef signed long		off_t;
+
+typedef unsigned char		uint8_t;
+typedef unsigned short		uint16_t;
+typedef unsigned int		uint32_t;
+typedef unsigned long long	uint64_t;
+
+typedef signed char		int8_t;
+typedef signed short		int16_t;
+typedef signed int		int32_t;
+typedef signed long long	int64_t;
+
+typedef unsigned long		physaddr_t;
+typedef unsigned long		intptr_t;
+
+#endif /* _BITS_STDINT_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/strings.h b/roms/ipxe/src/arch/x86_64/include/bits/strings.h
new file mode 100644
index 00000000..6ee99a50
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/strings.h
@@ -0,0 +1,42 @@
+#ifndef _BITS_STRINGS_H
+#define _BITS_STRINGS_H
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/**
+ * Find last (i.e. most significant) set bit
+ *
+ * @v value		Value
+ * @ret msb		Most significant bit set in value (LSB=1), or zero
+ */
+static inline __attribute__ (( always_inline )) int __flsll ( long long value ){
+	long long msb_minus_one;
+
+	/* If the input value is zero, the BSR instruction returns
+	 * ZF=1 and leaves an undefined value in the output register.
+	 * Perform this check in C rather than asm so that it can be
+	 * omitted in cases where the compiler is able to prove that
+	 * the input is non-zero.
+	 */
+	if ( value ) {
+		__asm__ ( "bsrq %1, %0"
+			  : "=r" ( msb_minus_one )
+			  : "rm" ( value ) );
+		return ( msb_minus_one + 1 );
+	} else {
+		return 0;
+	}
+}
+
+/**
+ * Find last (i.e. most significant) set bit
+ *
+ * @v value		Value
+ * @ret msb		Most significant bit set in value (LSB=1), or zero
+ */
+static inline __attribute__ (( always_inline )) int __flsl ( long value ) {
+
+	return __flsll ( value );
+}
+
+#endif /* _BITS_STRINGS_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/time.h b/roms/ipxe/src/arch/x86_64/include/bits/time.h
new file mode 100644
index 00000000..59b35535
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/time.h
@@ -0,0 +1,12 @@
+#ifndef _BITS_TIME_H
+#define _BITS_TIME_H
+
+/** @file
+ *
+ * x86_64-specific time API implementations
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#endif /* _BITS_TIME_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/timer.h b/roms/ipxe/src/arch/x86_64/include/bits/timer.h
new file mode 100644
index 00000000..dfa6c270
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/timer.h
@@ -0,0 +1,10 @@
+#ifndef _BITS_TIMER_H
+#define _BITS_TIMER_H
+
+/** @file
+ *
+ * x86_64-specific timer API implementations
+ *
+ */
+
+#endif /* _BITS_TIMER_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/uaccess.h b/roms/ipxe/src/arch/x86_64/include/bits/uaccess.h
new file mode 100644
index 00000000..45582924
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/uaccess.h
@@ -0,0 +1,10 @@
+#ifndef _BITS_UACCESS_H
+#define _BITS_UACCESS_H
+
+/** @file
+ *
+ * x86_64-specific user access API implementations
+ *
+ */
+
+#endif /* _BITS_UACCESS_H */
diff --git a/roms/ipxe/src/arch/x86_64/include/bits/umalloc.h b/roms/ipxe/src/arch/x86_64/include/bits/umalloc.h
new file mode 100644
index 00000000..12bf949d
--- /dev/null
+++ b/roms/ipxe/src/arch/x86_64/include/bits/umalloc.h
@@ -0,0 +1,10 @@
+#ifndef _BITS_UMALLOC_H
+#define _BITS_UMALLOC_H
+
+/** @file
+ *
+ * x86_64-specific user memory allocation API implementations
+ *
+ */
+
+#endif /* _BITS_UMALLOC_H */