enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/arch/powerpc/kernel/vdso32/cacheflush.S
..
..
@@ -1,18 +1,16 @@
1
+/* SPDX-License-Identifier: GPL-2.0-or-later */
1
2
 /*
2
3
  * vDSO provided cache flush routines
3
4
  *
4
5
  * Copyright (C) 2004 Benjamin Herrenschmuidt (benh@kernel.crashing.org),
5
6
  *                    IBM Corp.
6
- *
7
- * This program is free software; you can redistribute it and/or
8
- * modify it under the terms of the GNU General Public License
9
- * as published by the Free Software Foundation; either version
10
- * 2 of the License, or (at your option) any later version.
11
7
  */
12
8
 #include <asm/processor.h>
13
9
 #include <asm/ppc_asm.h>
14
10
 #include <asm/vdso.h>
11
+#include <asm/vdso_datapage.h>
15
12
 #include <asm/asm-offsets.h>
13
+#include <asm/cache.h>
16
14
 
17
15
 	.text
18
16
 
..
..
@@ -26,42 +24,62 @@
26
24
  */
27
25
 V_FUNCTION_BEGIN(__kernel_sync_dicache)
28
26
   .cfi_startproc
27
+#ifdef CONFIG_PPC64
29
28
 	mflr	r12
30
29
   .cfi_register lr,r12
31
-	mr	r11,r3
32
-	bl	__get_datapage@local
30
+	get_datapage	r10, r0
33
31
 	mtlr	r12
34
-	mr	r10,r3
32
+#endif
35
33
 
34
+#ifdef CONFIG_PPC64
36
35
 	lwz	r7,CFG_DCACHE_BLOCKSZ(r10)
37
36
 	addi	r5,r7,-1
38
-	andc	r6,r11,r5		/* round low to line bdy */
37
+#else
38
+	li	r5, L1_CACHE_BYTES - 1
39
+#endif
40
+	andc	r6,r3,r5		/* round low to line bdy */
39
41
 	subf	r8,r6,r4		/* compute length */
40
42
 	add	r8,r8,r5		/* ensure we get enough */
43
+#ifdef CONFIG_PPC64
41
44
 	lwz	r9,CFG_DCACHE_LOGBLOCKSZ(r10)
42
45
 	srw.	r8,r8,r9		/* compute line count */
46
+#else
47
+	srwi.	r8, r8, L1_CACHE_SHIFT
48
+	mr	r7, r6
49
+#endif
43
50
 	crclr	cr0*4+so
44
51
 	beqlr				/* nothing to do? */
45
52
 	mtctr	r8
46
53
 1:	dcbst	0,r6
54
+#ifdef CONFIG_PPC64
47
55
 	add	r6,r6,r7
56
+#else
57
+	addi	r6, r6, L1_CACHE_BYTES
58
+#endif
48
59
 	bdnz	1b
49
60
 	sync
50
61
 
51
62
 /* Now invalidate the instruction cache */
52
63
 
64
+#ifdef CONFIG_PPC64
53
65
 	lwz	r7,CFG_ICACHE_BLOCKSZ(r10)
54
66
 	addi	r5,r7,-1
55
-	andc	r6,r11,r5		/* round low to line bdy */
67
+	andc	r6,r3,r5		/* round low to line bdy */
56
68
 	subf	r8,r6,r4		/* compute length */
57
69
 	add	r8,r8,r5
58
70
 	lwz	r9,CFG_ICACHE_LOGBLOCKSZ(r10)
59
71
 	srw.	r8,r8,r9		/* compute line count */
60
72
 	crclr	cr0*4+so
61
73
 	beqlr				/* nothing to do? */
74
+#endif
62
75
 	mtctr	r8
76
+#ifdef CONFIG_PPC64
63
77
 2:	icbi	0,r6
64
78
 	add	r6,r6,r7
79
+#else
80
+2:	icbi	0, r7
81
+	addi	r7, r7, L1_CACHE_BYTES
82
+#endif
65
83
 	bdnz	2b
66
84
 	isync
67
85
 	li	r3,0