[thirdparty/kernel/linux.git] / arch / alpha / lib / fpreg.c

// SPDX-License-Identifier: GPL-2.0
/*
 * arch/alpha/lib/fpreg.c
 *
 * (C) Copyright 1998 Linus Torvalds
 */

#include <linux/compiler.h>
#include <linux/export.h>

#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67)
#define STT(reg,val)  asm volatile ("ftoit $f"#reg",%0" : "=r"(val));
#else
#define STT(reg,val)  asm volatile ("stt $f"#reg",%0" : "=m"(val));
#endif

unsigned long
alpha_read_fp_reg (unsigned long reg)
{
	unsigned long val;

	switch (reg) {
	      case  0: STT( 0, val); break;
	      case  1: STT( 1, val); break;
	      case  2: STT( 2, val); break;
	      case  3: STT( 3, val); break;
	      case  4: STT( 4, val); break;
	      case  5: STT( 5, val); break;
	      case  6: STT( 6, val); break;
	      case  7: STT( 7, val); break;
	      case  8: STT( 8, val); break;
	      case  9: STT( 9, val); break;
	      case 10: STT(10, val); break;
	      case 11: STT(11, val); break;
	      case 12: STT(12, val); break;
	      case 13: STT(13, val); break;
	      case 14: STT(14, val); break;
	      case 15: STT(15, val); break;
	      case 16: STT(16, val); break;
	      case 17: STT(17, val); break;
	      case 18: STT(18, val); break;
	      case 19: STT(19, val); break;
	      case 20: STT(20, val); break;
	      case 21: STT(21, val); break;
	      case 22: STT(22, val); break;
	      case 23: STT(23, val); break;
	      case 24: STT(24, val); break;
	      case 25: STT(25, val); break;
	      case 26: STT(26, val); break;
	      case 27: STT(27, val); break;
	      case 28: STT(28, val); break;
	      case 29: STT(29, val); break;
	      case 30: STT(30, val); break;
	      case 31: STT(31, val); break;
	      default: return 0;
	}
	return val;
}
EXPORT_SYMBOL(alpha_read_fp_reg);

#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67)
#define LDT(reg,val)  asm volatile ("itoft %0,$f"#reg : : "r"(val));
#else
#define LDT(reg,val)  asm volatile ("ldt $f"#reg",%0" : : "m"(val));
#endif

void
alpha_write_fp_reg (unsigned long reg, unsigned long val)
{
	switch (reg) {
	      case  0: LDT( 0, val); break;
	      case  1: LDT( 1, val); break;
	      case  2: LDT( 2, val); break;
	      case  3: LDT( 3, val); break;
	      case  4: LDT( 4, val); break;
	      case  5: LDT( 5, val); break;
	      case  6: LDT( 6, val); break;
	      case  7: LDT( 7, val); break;
	      case  8: LDT( 8, val); break;
	      case  9: LDT( 9, val); break;
	      case 10: LDT(10, val); break;
	      case 11: LDT(11, val); break;
	      case 12: LDT(12, val); break;
	      case 13: LDT(13, val); break;
	      case 14: LDT(14, val); break;
	      case 15: LDT(15, val); break;
	      case 16: LDT(16, val); break;
	      case 17: LDT(17, val); break;
	      case 18: LDT(18, val); break;
	      case 19: LDT(19, val); break;
	      case 20: LDT(20, val); break;
	      case 21: LDT(21, val); break;
	      case 22: LDT(22, val); break;
	      case 23: LDT(23, val); break;
	      case 24: LDT(24, val); break;
	      case 25: LDT(25, val); break;
	      case 26: LDT(26, val); break;
	      case 27: LDT(27, val); break;
	      case 28: LDT(28, val); break;
	      case 29: LDT(29, val); break;
	      case 30: LDT(30, val); break;
	      case 31: LDT(31, val); break;
	}
}
EXPORT_SYMBOL(alpha_write_fp_reg);

#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67)
#define STS(reg,val)  asm volatile ("ftois $f"#reg",%0" : "=r"(val));
#else
#define STS(reg,val)  asm volatile ("sts $f"#reg",%0" : "=m"(val));
#endif

unsigned long
alpha_read_fp_reg_s (unsigned long reg)
{
	unsigned long val;

	switch (reg) {
	      case  0: STS( 0, val); break;
	      case  1: STS( 1, val); break;
	      case  2: STS( 2, val); break;
	      case  3: STS( 3, val); break;
	      case  4: STS( 4, val); break;
	      case  5: STS( 5, val); break;
	      case  6: STS( 6, val); break;
	      case  7: STS( 7, val); break;
	      case  8: STS( 8, val); break;
	      case  9: STS( 9, val); break;
	      case 10: STS(10, val); break;
	      case 11: STS(11, val); break;
	      case 12: STS(12, val); break;
	      case 13: STS(13, val); break;
	      case 14: STS(14, val); break;
	      case 15: STS(15, val); break;
	      case 16: STS(16, val); break;
	      case 17: STS(17, val); break;
	      case 18: STS(18, val); break;
	      case 19: STS(19, val); break;
	      case 20: STS(20, val); break;
	      case 21: STS(21, val); break;
	      case 22: STS(22, val); break;
	      case 23: STS(23, val); break;
	      case 24: STS(24, val); break;
	      case 25: STS(25, val); break;
	      case 26: STS(26, val); break;
	      case 27: STS(27, val); break;
	      case 28: STS(28, val); break;
	      case 29: STS(29, val); break;
	      case 30: STS(30, val); break;
	      case 31: STS(31, val); break;
	      default: return 0;
	}
	return val;
}
EXPORT_SYMBOL(alpha_read_fp_reg_s);

#if defined(CONFIG_ALPHA_EV6) || defined(CONFIG_ALPHA_EV67)
#define LDS(reg,val)  asm volatile ("itofs %0,$f"#reg : : "r"(val));
#else
#define LDS(reg,val)  asm volatile ("lds $f"#reg",%0" : : "m"(val));
#endif

void
alpha_write_fp_reg_s (unsigned long reg, unsigned long val)
{
	switch (reg) {
	      case  0: LDS( 0, val); break;
	      case  1: LDS( 1, val); break;
	      case  2: LDS( 2, val); break;
	      case  3: LDS( 3, val); break;
	      case  4: LDS( 4, val); break;
	      case  5: LDS( 5, val); break;
	      case  6: LDS( 6, val); break;
	      case  7: LDS( 7, val); break;
	      case  8: LDS( 8, val); break;
	      case  9: LDS( 9, val); break;
	      case 10: LDS(10, val); break;
	      case 11: LDS(11, val); break;
	      case 12: LDS(12, val); break;
	      case 13: LDS(13, val); break;
	      case 14: LDS(14, val); break;
	      case 15: LDS(15, val); break;
	      case 16: LDS(16, val); break;
	      case 17: LDS(17, val); break;
	      case 18: LDS(18, val); break;
	      case 19: LDS(19, val); break;
	      case 20: LDS(20, val); break;
	      case 21: LDS(21, val); break;
	      case 22: LDS(22, val); break;
	      case 23: LDS(23, val); break;
	      case 24: LDS(24, val); break;
	      case 25: LDS(25, val); break;
	      case 26: LDS(26, val); break;
	      case 27: LDS(27, val); break;
	      case 28: LDS(28, val); break;
	      case 29: LDS(29, val); break;
	      case 30: LDS(30, val); break;
	      case 31: LDS(31, val); break;
	}
}
EXPORT_SYMBOL(alpha_write_fp_reg_s);
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
1da177e4 LT	2	/*
	3	* arch/alpha/lib/fpreg.c
	4	*
	5	* (C) Copyright 1998 Linus Torvalds
	6	*/
	7
00fc0e0d AV	8	#include <linux/compiler.h>
	9	#include <linux/export.h>
	10
4b417d0c	11	#if defined(CONFIG_ALPHA_EV6) \|\| defined(CONFIG_ALPHA_EV67)
1da177e4 LT	12	#define STT(reg,val) asm volatile ("ftoit $f"#reg",%0" : "=r"(val));
	13	#else
	14	#define STT(reg,val) asm volatile ("stt $f"#reg",%0" : "=m"(val));
	15	#endif
	16
	17	unsigned long
	18	alpha_read_fp_reg (unsigned long reg)
	19	{
	20	unsigned long val;
	21
	22	switch (reg) {
	23	case 0: STT( 0, val); break;
	24	case 1: STT( 1, val); break;
	25	case 2: STT( 2, val); break;
	26	case 3: STT( 3, val); break;
	27	case 4: STT( 4, val); break;
	28	case 5: STT( 5, val); break;
	29	case 6: STT( 6, val); break;
	30	case 7: STT( 7, val); break;
	31	case 8: STT( 8, val); break;
	32	case 9: STT( 9, val); break;
	33	case 10: STT(10, val); break;
	34	case 11: STT(11, val); break;
	35	case 12: STT(12, val); break;
	36	case 13: STT(13, val); break;
	37	case 14: STT(14, val); break;
	38	case 15: STT(15, val); break;
	39	case 16: STT(16, val); break;
	40	case 17: STT(17, val); break;
	41	case 18: STT(18, val); break;
	42	case 19: STT(19, val); break;
	43	case 20: STT(20, val); break;
	44	case 21: STT(21, val); break;
	45	case 22: STT(22, val); break;
	46	case 23: STT(23, val); break;
	47	case 24: STT(24, val); break;
	48	case 25: STT(25, val); break;
	49	case 26: STT(26, val); break;
	50	case 27: STT(27, val); break;
	51	case 28: STT(28, val); break;
	52	case 29: STT(29, val); break;
	53	case 30: STT(30, val); break;
	54	case 31: STT(31, val); break;
	55	default: return 0;
	56	}
	57	return val;
	58	}
00fc0e0d	59	EXPORT_SYMBOL(alpha_read_fp_reg);
1da177e4	60
4b417d0c	61	#if defined(CONFIG_ALPHA_EV6) \|\| defined(CONFIG_ALPHA_EV67)
1da177e4 LT	62	#define LDT(reg,val) asm volatile ("itoft %0,$f"#reg : : "r"(val));
	63	#else
	64	#define LDT(reg,val) asm volatile ("ldt $f"#reg",%0" : : "m"(val));
	65	#endif
	66
	67	void
	68	alpha_write_fp_reg (unsigned long reg, unsigned long val)
	69	{
	70	switch (reg) {
	71	case 0: LDT( 0, val); break;
	72	case 1: LDT( 1, val); break;
	73	case 2: LDT( 2, val); break;
	74	case 3: LDT( 3, val); break;
	75	case 4: LDT( 4, val); break;
	76	case 5: LDT( 5, val); break;
	77	case 6: LDT( 6, val); break;
	78	case 7: LDT( 7, val); break;
	79	case 8: LDT( 8, val); break;
	80	case 9: LDT( 9, val); break;
	81	case 10: LDT(10, val); break;
	82	case 11: LDT(11, val); break;
	83	case 12: LDT(12, val); break;
	84	case 13: LDT(13, val); break;
	85	case 14: LDT(14, val); break;
	86	case 15: LDT(15, val); break;
	87	case 16: LDT(16, val); break;
	88	case 17: LDT(17, val); break;
	89	case 18: LDT(18, val); break;
	90	case 19: LDT(19, val); break;
	91	case 20: LDT(20, val); break;
	92	case 21: LDT(21, val); break;
	93	case 22: LDT(22, val); break;
	94	case 23: LDT(23, val); break;
	95	case 24: LDT(24, val); break;
	96	case 25: LDT(25, val); break;
	97	case 26: LDT(26, val); break;
	98	case 27: LDT(27, val); break;
	99	case 28: LDT(28, val); break;
	100	case 29: LDT(29, val); break;
	101	case 30: LDT(30, val); break;
	102	case 31: LDT(31, val); break;
	103	}
	104	}
00fc0e0d	105	EXPORT_SYMBOL(alpha_write_fp_reg);
1da177e4	106
4b417d0c	107	#if defined(CONFIG_ALPHA_EV6) \|\| defined(CONFIG_ALPHA_EV67)
1da177e4 LT	108	#define STS(reg,val) asm volatile ("ftois $f"#reg",%0" : "=r"(val));
	109	#else
	110	#define STS(reg,val) asm volatile ("sts $f"#reg",%0" : "=m"(val));
	111	#endif
	112
	113	unsigned long
	114	alpha_read_fp_reg_s (unsigned long reg)
	115	{
	116	unsigned long val;
	117
	118	switch (reg) {
	119	case 0: STS( 0, val); break;
	120	case 1: STS( 1, val); break;
	121	case 2: STS( 2, val); break;
	122	case 3: STS( 3, val); break;
	123	case 4: STS( 4, val); break;
	124	case 5: STS( 5, val); break;
	125	case 6: STS( 6, val); break;
	126	case 7: STS( 7, val); break;
	127	case 8: STS( 8, val); break;
	128	case 9: STS( 9, val); break;
	129	case 10: STS(10, val); break;
	130	case 11: STS(11, val); break;
	131	case 12: STS(12, val); break;
	132	case 13: STS(13, val); break;
	133	case 14: STS(14, val); break;
	134	case 15: STS(15, val); break;
	135	case 16: STS(16, val); break;
	136	case 17: STS(17, val); break;
	137	case 18: STS(18, val); break;
	138	case 19: STS(19, val); break;
	139	case 20: STS(20, val); break;
	140	case 21: STS(21, val); break;
	141	case 22: STS(22, val); break;
	142	case 23: STS(23, val); break;
	143	case 24: STS(24, val); break;
	144	case 25: STS(25, val); break;
	145	case 26: STS(26, val); break;
	146	case 27: STS(27, val); break;
	147	case 28: STS(28, val); break;
	148	case 29: STS(29, val); break;
	149	case 30: STS(30, val); break;
	150	case 31: STS(31, val); break;
	151	default: return 0;
	152	}
	153	return val;
	154	}
00fc0e0d	155	EXPORT_SYMBOL(alpha_read_fp_reg_s);
1da177e4	156
4b417d0c	157	#if defined(CONFIG_ALPHA_EV6) \|\| defined(CONFIG_ALPHA_EV67)
1da177e4 LT	158	#define LDS(reg,val) asm volatile ("itofs %0,$f"#reg : : "r"(val));
	159	#else
	160	#define LDS(reg,val) asm volatile ("lds $f"#reg",%0" : : "m"(val));
	161	#endif
	162
	163	void
	164	alpha_write_fp_reg_s (unsigned long reg, unsigned long val)
	165	{
	166	switch (reg) {
	167	case 0: LDS( 0, val); break;
	168	case 1: LDS( 1, val); break;
	169	case 2: LDS( 2, val); break;
	170	case 3: LDS( 3, val); break;
	171	case 4: LDS( 4, val); break;
	172	case 5: LDS( 5, val); break;
	173	case 6: LDS( 6, val); break;
	174	case 7: LDS( 7, val); break;
	175	case 8: LDS( 8, val); break;
	176	case 9: LDS( 9, val); break;
	177	case 10: LDS(10, val); break;
	178	case 11: LDS(11, val); break;
	179	case 12: LDS(12, val); break;
	180	case 13: LDS(13, val); break;
	181	case 14: LDS(14, val); break;
	182	case 15: LDS(15, val); break;
	183	case 16: LDS(16, val); break;
	184	case 17: LDS(17, val); break;
	185	case 18: LDS(18, val); break;
	186	case 19: LDS(19, val); break;
	187	case 20: LDS(20, val); break;
	188	case 21: LDS(21, val); break;
	189	case 22: LDS(22, val); break;
	190	case 23: LDS(23, val); break;
	191	case 24: LDS(24, val); break;
	192	case 25: LDS(25, val); break;
	193	case 26: LDS(26, val); break;
	194	case 27: LDS(27, val); break;
	195	case 28: LDS(28, val); break;
	196	case 29: LDS(29, val); break;
	197	case 30: LDS(30, val); break;
	198	case 31: LDS(31, val); break;
	199	}
	200	}
00fc0e0d	201	EXPORT_SYMBOL(alpha_write_fp_reg_s);