source: patches/linux-2.6.19-alpha_io_fix-1.patch@ e89ec63

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since e89ec63 was e89ec63, checked in by Jim Gifford <clfs@…>, 18 years ago

Updated to Linux and Linux Headers 2.6.19
  • Property mode set to 100644
File size: 5.4 KB
RevLine 
[e89ec63]1Submitted By: Joe Ciccone <jciccone@linuxfromscratch.org>
2Date: 2006-11-29
3Initial Package Version: 2.6.19
4Origin: Joe Ciccone
5Upstream Status: Unknown
6Description: Fixes a build issue with alpha on some processors. The
7 instructions being modified are specific to ev56/ev6.
8
9diff -Naur linux-2.6.19.orig/include/asm-alpha/compiler.h linux-2.6.19/include/asm-alpha/compiler.h
10--- linux-2.6.19.orig/include/asm-alpha/compiler.h 2006-11-29 13:57:37.000000000 -0800
11+++ linux-2.6.19/include/asm-alpha/compiler.h 2006-11-29 19:11:54.000000000 -0800
12@@ -78,16 +78,16 @@
13 #else
14 #define __kernel_ldbu(mem) \
15 ({ unsigned char __kir; \
16- __asm__("ldbu %0,%1" : "=r"(__kir) : "m"(mem)); \
17+ __asm__(".arch ev6; ldbu %0,%1" : "=r"(__kir) : "m"(mem)); \
18 __kir; })
19 #define __kernel_ldwu(mem) \
20 ({ unsigned short __kir; \
21- __asm__("ldwu %0,%1" : "=r"(__kir) : "m"(mem)); \
22+ __asm__(".arch ev6; ldwu %0,%1" : "=r"(__kir) : "m"(mem)); \
23 __kir; })
24 #define __kernel_stb(val,mem) \
25- __asm__("stb %1,%0" : "=m"(mem) : "r"(val))
26+ __asm__(".arch ev6; stb %1,%0" : "=m"(mem) : "r"(val))
27 #define __kernel_stw(val,mem) \
28- __asm__("stw %1,%0" : "=m"(mem) : "r"(val))
29+ __asm__(".arch ev6; stw %1,%0" : "=m"(mem) : "r"(val))
30 #endif
31
32 #ifdef __KERNEL__
33diff -Naur linux-2.6.19.orig/include/asm-alpha/compiler.h.orig linux-2.6.19/include/asm-alpha/compiler.h.orig
34--- linux-2.6.19.orig/include/asm-alpha/compiler.h.orig 1969-12-31 16:00:00.000000000 -0800
35+++ linux-2.6.19/include/asm-alpha/compiler.h.orig 2006-11-29 13:57:37.000000000 -0800
36@@ -0,0 +1,107 @@
37+#ifndef __ALPHA_COMPILER_H
38+#define __ALPHA_COMPILER_H
39+
40+/*
41+ * Herein are macros we use when describing various patterns we want to GCC.
42+ * In all cases we can get better schedules out of the compiler if we hide
43+ * as little as possible inside inline assembly. However, we want to be
44+ * able to know what we'll get out before giving up inline assembly. Thus
45+ * these tests and macros.
46+ */
47+
48+#if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3
49+# define __kernel_insbl(val, shift) __builtin_alpha_insbl(val, shift)
50+# define __kernel_inswl(val, shift) __builtin_alpha_inswl(val, shift)
51+# define __kernel_insql(val, shift) __builtin_alpha_insql(val, shift)
52+# define __kernel_inslh(val, shift) __builtin_alpha_inslh(val, shift)
53+# define __kernel_extbl(val, shift) __builtin_alpha_extbl(val, shift)
54+# define __kernel_extwl(val, shift) __builtin_alpha_extwl(val, shift)
55+# define __kernel_cmpbge(a, b) __builtin_alpha_cmpbge(a, b)
56+# define __kernel_cttz(x) __builtin_ctzl(x)
57+# define __kernel_ctlz(x) __builtin_clzl(x)
58+# define __kernel_ctpop(x) __builtin_popcountl(x)
59+#else
60+# define __kernel_insbl(val, shift) \
61+ ({ unsigned long __kir; \
62+ __asm__("insbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
63+ __kir; })
64+# define __kernel_inswl(val, shift) \
65+ ({ unsigned long __kir; \
66+ __asm__("inswl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
67+ __kir; })
68+# define __kernel_insql(val, shift) \
69+ ({ unsigned long __kir; \
70+ __asm__("insql %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
71+ __kir; })
72+# define __kernel_inslh(val, shift) \
73+ ({ unsigned long __kir; \
74+ __asm__("inslh %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
75+ __kir; })
76+# define __kernel_extbl(val, shift) \
77+ ({ unsigned long __kir; \
78+ __asm__("extbl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
79+ __kir; })
80+# define __kernel_extwl(val, shift) \
81+ ({ unsigned long __kir; \
82+ __asm__("extwl %2,%1,%0" : "=r"(__kir) : "rI"(shift), "r"(val)); \
83+ __kir; })
84+# define __kernel_cmpbge(a, b) \
85+ ({ unsigned long __kir; \
86+ __asm__("cmpbge %r2,%1,%0" : "=r"(__kir) : "rI"(b), "rJ"(a)); \
87+ __kir; })
88+# define __kernel_cttz(x) \
89+ ({ unsigned long __kir; \
90+ __asm__("cttz %1,%0" : "=r"(__kir) : "r"(x)); \
91+ __kir; })
92+# define __kernel_ctlz(x) \
93+ ({ unsigned long __kir; \
94+ __asm__("ctlz %1,%0" : "=r"(__kir) : "r"(x)); \
95+ __kir; })
96+# define __kernel_ctpop(x) \
97+ ({ unsigned long __kir; \
98+ __asm__("ctpop %1,%0" : "=r"(__kir) : "r"(x)); \
99+ __kir; })
100+#endif
101+
102+
103+/*
104+ * Beginning with EGCS 1.1, GCC defines __alpha_bwx__ when the BWX
105+ * extension is enabled. Previous versions did not define anything
106+ * we could test during compilation -- too bad, so sad.
107+ */
108+
109+#if defined(__alpha_bwx__)
110+#define __kernel_ldbu(mem) (mem)
111+#define __kernel_ldwu(mem) (mem)
112+#define __kernel_stb(val,mem) ((mem) = (val))
113+#define __kernel_stw(val,mem) ((mem) = (val))
114+#else
115+#define __kernel_ldbu(mem) \
116+ ({ unsigned char __kir; \
117+ __asm__("ldbu %0,%1" : "=r"(__kir) : "m"(mem)); \
118+ __kir; })
119+#define __kernel_ldwu(mem) \
120+ ({ unsigned short __kir; \
121+ __asm__("ldwu %0,%1" : "=r"(__kir) : "m"(mem)); \
122+ __kir; })
123+#define __kernel_stb(val,mem) \
124+ __asm__("stb %1,%0" : "=m"(mem) : "r"(val))
125+#define __kernel_stw(val,mem) \
126+ __asm__("stw %1,%0" : "=m"(mem) : "r"(val))
127+#endif
128+
129+#ifdef __KERNEL__
130+/* Some idiots over in <linux/compiler.h> thought inline should imply
131+ always_inline. This breaks stuff. We'll include this file whenever
132+ we run into such problems. */
133+
134+#include <linux/compiler.h>
135+#undef inline
136+#undef __inline__
137+#undef __inline
138+#undef __always_inline
139+#define __always_inline inline __attribute__((always_inline))
140+
141+#endif /* __KERNEL__ */
142+
143+#endif /* __ALPHA_COMPILER_H */
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