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getfcr: change getfcr/setfcr to use VFP

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This commit is contained in:
cinap_lenrek 2014-12-25 17:44:49 +01:00
parent ed5c9fd00a
commit 2ab042f11e
4 changed files with 42 additions and 44 deletions
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11
sys/src/libc/arm/getfcr.s
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@ -1,12 +1,21 @@
/* for VFP */
#define VMRS(fp, cpu) WORD $(0xeef00a10 | (fp)<<16 | (cpu)<<12) /* FP → arm */
#define VMSR(cpu, fp) WORD $(0xeee00a10 | (fp)<<16 | (cpu)<<12) /* arm → FP */
#define Fpscr 1
TEXT setfcr(SB), $0
VMSR(0, Fpscr)
RET
TEXT getfcr(SB), $0
VMRS(Fpscr, 0)
RET
TEXT getfsr(SB), $0
VMSR(0, Fpscr)
RET
TEXT setfsr(SB), $0
VMRS(Fpscr, 0)
RET

21
sys/src/libc/arm/getfcr.vfp.S
View file

@ -1,21 +0,0 @@
/* for VFP */
#define VMRS(fp, cpu) WORD $(0xeef00a10 | (fp)<<16 | (cpu)<<12) /* FP → arm */
#define VMSR(cpu, fp) WORD $(0xeee00a10 | (fp)<<16 | (cpu)<<12) /* arm → FP */
#define Fpscr 1
TEXT setfcr(SB), $0
VMSR(0, Fpscr)
RET
TEXT getfcr(SB), $0
VMRS(Fpscr, 0)
RET
TEXT getfsr(SB), $0
VMSR(0, Fpscr)
RET
TEXT setfsr(SB), $0
VMRS(Fpscr, 0)
RET