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hc
2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd 
 kernel/arch/mips/include/asm/sgiarcs.h
....@@ -12,6 +12,8 @@
1212 #ifndef _ASM_SGIARCS_H
1313 #define _ASM_SGIARCS_H
1414 
15
+#include <linux/kernel.h>
16
+
1517 #include <asm/types.h>
1618 #include <asm/fw/arc/types.h>
1719 
....@@ -368,110 +370,65 @@
368370 
369371 #if defined(CONFIG_64BIT) && defined(CONFIG_FW_ARC32)
370372 
371
-#define __arc_clobbers							\
372
-	"$2", "$3" /* ... */, "$8", "$9", "$10", "$11",				\
373
-	"$12", "$13", "$14", "$15", "$16", "$24", "$25", "$31"
373
+extern long call_o32(long vec, void *stack, ...);
374
+
375
+extern u64 o32_stk[4096];
376
+#define O32_STK	(&o32_stk[ARRAY_SIZE(o32_stk)])
374377 
375378 #define ARC_CALL0(dest)							\
376379 ({	long __res;							\
377380 	long __vec = (long) romvec->dest;				\
378
-	__asm__ __volatile__(						\
379
-	"dsubu\t$29, 32\n\t"						\
380
-	"jalr\t%1\n\t"							\
381
-	"daddu\t$29, 32\n\t"						\
382
-	"move\t%0, $2"							\
383
-	: "=r" (__res), "=r" (__vec)					\
384
-	: "1" (__vec)							\
385
-	: __arc_clobbers, "$4", "$5", "$6", "$7");			\
386
-	(unsigned long) __res;						\
381
+	__res = call_o32(__vec, O32_STK);				\
382
+	__res;								\
387383 })
388384 
389385 #define ARC_CALL1(dest, a1)						\
390386 ({	long __res;							\
391
-	register signed int __a1 __asm__("$4") = (int) (long) (a1);	\
387
+	int  __a1 = (int) (long) (a1);					\
392388 	long __vec = (long) romvec->dest;				\
393
-	__asm__ __volatile__(						\
394
-	"dsubu\t$29, 32\n\t"						\
395
-	"jalr\t%1\n\t"							\
396
-	"daddu\t$29, 32\n\t"						\
397
-	"move\t%0, $2"							\
398
-	: "=r" (__res), "=r" (__vec)					\
399
-	: "1" (__vec), "r" (__a1)					\
400
-	: __arc_clobbers, "$5", "$6", "$7");				\
401
-	(unsigned long) __res;						\
389
+	__res = call_o32(__vec, O32_STK, __a1);				\
390
+	__res;								\
402391 })
403392 
404393 #define ARC_CALL2(dest, a1, a2)						\
405394 ({	long __res;							\
406
-	register signed int __a1 __asm__("$4") = (int) (long) (a1);	\
407
-	register signed int __a2 __asm__("$5") = (int) (long) (a2);	\
395
+	int  __a1 = (int) (long) (a1);					\
396
+	int  __a2 = (int) (long) (a2);					\
408397 	long __vec = (long) romvec->dest;				\
409
-	__asm__ __volatile__(						\
410
-	"dsubu\t$29, 32\n\t"						\
411
-	"jalr\t%1\n\t"							\
412
-	"daddu\t$29, 32\n\t"						\
413
-	"move\t%0, $2"							\
414
-	: "=r" (__res), "=r" (__vec)					\
415
-	: "1" (__vec), "r" (__a1), "r" (__a2)				\
416
-	: __arc_clobbers, "$6", "$7");					\
398
+	__res = call_o32(__vec, O32_STK, __a1, __a2);			\
417399 	__res;								\
418400 })
419401 
420402 #define ARC_CALL3(dest, a1, a2, a3)					\
421403 ({	long __res;							\
422
-	register signed int __a1 __asm__("$4") = (int) (long) (a1);	\
423
-	register signed int __a2 __asm__("$5") = (int) (long) (a2);	\
424
-	register signed int __a3 __asm__("$6") = (int) (long) (a3);	\
404
+	int  __a1 = (int) (long) (a1);					\
405
+	int  __a2 = (int) (long) (a2);					\
406
+	int  __a3 = (int) (long) (a3);					\
425407 	long __vec = (long) romvec->dest;				\
426
-	__asm__ __volatile__(						\
427
-	"dsubu\t$29, 32\n\t"						\
428
-	"jalr\t%1\n\t"							\
429
-	"daddu\t$29, 32\n\t"						\
430
-	"move\t%0, $2"							\
431
-	: "=r" (__res), "=r" (__vec)					\
432
-	: "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3)		\
433
-	: __arc_clobbers, "$7");					\
408
+	__res = call_o32(__vec, O32_STK, __a1, __a2, __a3);		\
434409 	__res;								\
435410 })
436411 
437412 #define ARC_CALL4(dest, a1, a2, a3, a4)					\
438413 ({	long __res;							\
439
-	register signed int __a1 __asm__("$4") = (int) (long) (a1);	\
440
-	register signed int __a2 __asm__("$5") = (int) (long) (a2);	\
441
-	register signed int __a3 __asm__("$6") = (int) (long) (a3);	\
442
-	register signed int __a4 __asm__("$7") = (int) (long) (a4);	\
414
+	int  __a1 = (int) (long) (a1);					\
415
+	int  __a2 = (int) (long) (a2);					\
416
+	int  __a3 = (int) (long) (a3);					\
417
+	int  __a4 = (int) (long) (a4);					\
443418 	long __vec = (long) romvec->dest;				\
444
-	__asm__ __volatile__(						\
445
-	"dsubu\t$29, 32\n\t"						\
446
-	"jalr\t%1\n\t"							\
447
-	"daddu\t$29, 32\n\t"						\
448
-	"move\t%0, $2"							\
449
-	: "=r" (__res), "=r" (__vec)					\
450
-	: "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3),		\
451
-	  "r" (__a4)							\
452
-	: __arc_clobbers);						\
419
+	__res = call_o32(__vec, O32_STK, __a1, __a2, __a3, __a4);	\
453420 	__res;								\
454421 })
455422 
456
-#define ARC_CALL5(dest, a1, a2, a3, a4, a5)					\
423
+#define ARC_CALL5(dest, a1, a2, a3, a4, a5)				\
457424 ({	long __res;							\
458
-	register signed int __a1 __asm__("$4") = (int) (long) (a1);	\
459
-	register signed int __a2 __asm__("$5") = (int) (long) (a2);	\
460
-	register signed int __a3 __asm__("$6") = (int) (long) (a3);	\
461
-	register signed int __a4 __asm__("$7") = (int) (long) (a4);	\
462
-	register signed int __a5 = (int) (long) (a5);			\
425
+	int  __a1 = (int) (long) (a1);					\
426
+	int  __a2 = (int) (long) (a2);					\
427
+	int  __a3 = (int) (long) (a3);					\
428
+	int  __a4 = (int) (long) (a4);					\
429
+	int  __a5 = (int) (long) (a5);					\
463430 	long __vec = (long) romvec->dest;				\
464
-	__asm__ __volatile__(						\
465
-	"dsubu\t$29, 32\n\t"						\
466
-	"sw\t%7, 16($29)\n\t"						\
467
-	"jalr\t%1\n\t"							\
468
-	"daddu\t$29, 32\n\t"						\
469
-	"move\t%0, $2"							\
470
-	: "=r" (__res), "=r" (__vec)					\
471
-	: "1" (__vec),							\
472
-	  "r" (__a1), "r" (__a2), "r" (__a3), "r" (__a4),		\
473
-	  "r" (__a5)							\
474
-	: __arc_clobbers);						\
431
+	__res = call_o32(__vec, O32_STK, __a1, __a2, __a3, __a4, __a5);	\
475432 	__res;								\
476433 })
477434