Release 4.14 arch/alpha/lib/fpreg.c

Directory: arch/alpha/lib
// 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;
}
Contributors
Person Tokens Prop Commits CommitProp
Linus Torvalds (pre-git) 375 98.94% 2 66.67%
Richard Henderson 4 1.06% 1 33.33%
Total 379 100.00% 3 100.00%


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;
	}
}
Contributors
Person Tokens Prop Commits CommitProp
Linus Torvalds (pre-git) 371 100.00% 1 100.00%
Total 371 100.00% 1 100.00%


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;
}
Contributors
Person Tokens Prop Commits CommitProp
Linus Torvalds (pre-git) 375 98.94% 1 50.00%
Richard Henderson 4 1.06% 1 50.00%
Total 379 100.00% 2 100.00%


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;
	}
}
Contributors
Person Tokens Prop Commits CommitProp
Linus Torvalds (pre-git) 371 100.00% 1 100.00%
Total 371 100.00% 1 100.00%


EXPORT_SYMBOL(alpha_write_fp_reg_s);
Overall Contributors
Person Tokens Prop Commits CommitProp
Linus Torvalds (pre-git) 1617 97.41% 4 50.00%
Al Viro 26 1.57% 1 12.50%
Akinobu Mita 8 0.48% 1 12.50%
Richard Henderson 8 0.48% 1 12.50%
Greg Kroah-Hartman 1 0.06% 1 12.50%
Total 1660 100.00% 8 100.00%
Directory: arch/alpha/lib

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.
Person	Tokens	Prop	Commits	CommitProp
Linus Torvalds (pre-git)	375	98.94%	2	66.67%
Richard Henderson	4	1.06%	1	33.33%
Total	379	100.00%	3	100.00%
cregit-Linux how code gets into the kernel

Release 4.14 arch/alpha/lib/fpreg.c

Contributors

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