Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-51

Creator:  Yinghai Lu <yhlu@tyan.com>

cache_as_ram for AMD and some intel


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1967 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

4 files changed, 32 insertions, 13 deletions

diff --git a/src/arch/i386/include/arch/cpu.h b/src/arch/i386/include/arch/cpu.h
index 0c5b0604ad..4cdeded8bc 100644
--- a/src/arch/i386/include/arch/cpu.h
+++ b/src/arch/i386/include/arch/cpu.h
@@ -104,7 +104,7 @@ static inline unsigned int cpuid_edx(unsigned int op)
 #define X86_VENDOR_SIS       10 
 #define X86_VENDOR_UNKNOWN 0xff
 
-#ifndef __ROMCC__
+#if !defined( __ROMCC__ ) && defined( __GNUC__)
 #include <device/device.h>
 
 
diff --git a/src/arch/i386/include/arch/hlt.h b/src/arch/i386/include/arch/hlt.h
index 7d3a563734..23ff1aa918 100644
--- a/src/arch/i386/include/arch/hlt.h
+++ b/src/arch/i386/include/arch/hlt.h
@@ -1,19 +1,15 @@
 #ifndef ARCH_HLT_H
 #define ARCH_HLT_H
 
-#ifdef __ROMCC__
+#if defined( __ROMCC__) && !defined(__GNUC__)
 static void hlt(void)
 {
 	__builtin_hlt();
 }
-
-#endif
-
-#if defined(__GNUC__) && !defined(__ROMCC__)
+#else
 static inline void hlt(void)
 {
 	asm("hlt");
-	return;
 }
 #endif
 
diff --git a/src/arch/i386/include/arch/io.h b/src/arch/i386/include/arch/io.h
index 4bd2f4a4c3..07d091328a 100644
--- a/src/arch/i386/include/arch/io.h
+++ b/src/arch/i386/include/arch/io.h
@@ -9,8 +9,7 @@
  * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
  * versions of the single-IO instructions (inb_p/inw_p/..).
  */
-
-#ifdef __ROMCC__
+#if defined( __ROMCC__ ) && !defined (__GNUC__) 
 static inline void outb(uint8_t value, uint16_t port)
 {
 	__builtin_outb(value, port);
@@ -42,7 +41,6 @@ static inline uint32_t inl(uint16_t port)
 {
 	return __builtin_inl(port);
 }
-
 #else
 
 static inline void outb(uint8_t value, uint16_t port)
@@ -81,7 +79,7 @@ static inline uint32_t inl(uint16_t port)
 	return value;
 }
 
-#endif /* __ROMCC__ */
+#endif /* __ROMCC__ && !__GNUC__*/
 
 static inline void outsb(uint16_t port, const void *addr, unsigned long count)
 {
diff --git a/src/arch/i386/include/arch/romcc_io.h b/src/arch/i386/include/arch/romcc_io.h
index 80037bd7ad..1d3e603ed0 100644
--- a/src/arch/i386/include/arch/romcc_io.h
+++ b/src/arch/i386/include/arch/romcc_io.h
@@ -33,8 +33,7 @@ static inline void write32(unsigned long addr, uint32_t value)
 {
 	*((volatile uint32_t *)(addr)) = value;
 }
-
-
+#if 0
 typedef __builtin_div_t div_t;
 typedef __builtin_ldiv_t ldiv_t;
 typedef __builtin_udiv_t udiv_t;
@@ -72,6 +71,32 @@ inline int log2(int value)
 	 */
 	return __builtin_bsr(value);
 }
+#endif
+
+static inline int log2(int value)
+{
+        unsigned int r = 0;
+        __asm__ volatile (
+                "bsrl %1, %0\n\t"
+                "jnz 1f\n\t"
+                "movl $-1, %0\n\t"
+                "1:\n\t"
+                : "=r" (r) : "r" (value));
+        return r;
+
+}
+static inline int log2f(int value)
+{
+        unsigned int r = 0;
+        __asm__ volatile (
+                "bsfl %1, %0\n\t"
+                "jnz 1f\n\t"
+                "movl $-1, %0\n\t"
+                "1:\n\t"
+                : "=r" (r) : "r" (value));
+        return r;
+
+}
 
 #define PCI_ADDR(BUS, DEV, FN, WHERE) ( \
 	(((BUS) & 0xFF) << 16) | \