修改内核路径

hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/arch/mips/include/asm/processor.h
..
..
@@ -25,20 +25,11 @@
25
25
 #include <asm/vdso/processor.h>
26
26
 
27
27
 /*
28
- * Return current * instruction pointer ("program counter").
29
- */
30
-#define current_text_addr() ({ __label__ _l; _l: &&_l;})
31
-
32
-/*
33
28
  * System setup and hardware flags..
34
29
  */
35
30
 
36
31
 extern unsigned int vced_count, vcei_count;
37
-
38
-/*
39
- * MIPS does have an arch_pick_mmap_layout()
40
- */
41
-#define HAVE_ARCH_PICK_MMAP_LAYOUT 1
32
+extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
42
33
 
43
34
 #ifdef CONFIG_32BIT
44
35
 #ifdef CONFIG_KVM_GUEST
..
..
@@ -261,6 +252,7 @@
261
252
 	/* Saved cp0 stuff. */
262
253
 	unsigned long cp0_status;
263
254
 
255
+#ifdef CONFIG_MIPS_FP_SUPPORT
264
256
 	/* Saved fpu/fpu emulator stuff. */
265
257
 	struct mips_fpu_struct fpu FPU_ALIGN;
266
258
 	/* Assigned branch delay slot 'emulation' frame */
..
..
@@ -269,6 +261,7 @@
269
261
 	unsigned long bd_emu_branch_pc;
270
262
 	/* PC to continue from following a branch delay slot 'emulation' */
271
263
 	unsigned long bd_emu_cont_pc;
264
+#endif
272
265
 #ifdef CONFIG_MIPS_MT_FPAFF
273
266
 	/* Emulated instruction count */
274
267
 	unsigned long emulated_fp;
..
..
@@ -305,6 +298,21 @@
305
298
 #define FPAFF_INIT
306
299
 #endif /* CONFIG_MIPS_MT_FPAFF */
307
300
 
301
+#ifdef CONFIG_MIPS_FP_SUPPORT
302
+# define FPU_INIT						\
303
+	.fpu			= {				\
304
+		.fpr		= {{{0,},},},			\
305
+		.fcr31		= 0,				\
306
+		.msacsr		= 0,				\
307
+	},							\
308
+	/* Delay slot emulation */				\
309
+	.bd_emu_frame = ATOMIC_INIT(BD_EMUFRAME_NONE),		\
310
+	.bd_emu_branch_pc = 0,					\
311
+	.bd_emu_cont_pc = 0,
312
+#else
313
+# define FPU_INIT
314
+#endif
315
+
308
316
 #define INIT_THREAD  {						\
309
317
 	/*							\
310
318
 	 * Saved main processor registers			\
..
..
@@ -327,19 +335,11 @@
327
335
 	/*							\
328
336
 	 * Saved FPU/FPU emulator stuff				\
329
337
 	 */							\
330
-	.fpu			= {				\
331
-		.fpr		= {{{0,},},},			\
332
-		.fcr31		= 0,				\
333
-		.msacsr		= 0,				\
334
-	},							\
338
+	FPU_INIT						\
335
339
 	/*							\
336
340
 	 * FPU affinity state (null if not FPAFF)		\
337
341
 	 */							\
338
342
 	FPAFF_INIT						\
339
-	/* Delay slot emulation */				\
340
-	.bd_emu_frame = ATOMIC_INIT(BD_EMUFRAME_NONE),		\
341
-	.bd_emu_branch_pc = 0,					\
342
-	.bd_emu_cont_pc = 0,					\
343
343
 	/*							\
344
344
 	 * Saved DSP stuff					\
345
345
 	 */							\