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authorcinap_lenrek <cinap_lenrek@felloff.net>2014-12-25 17:44:49 +0100
committercinap_lenrek <cinap_lenrek@felloff.net>2014-12-25 17:44:49 +0100
commit2ab042f11e5848089b343cc565acb65d4a5bc64a (patch)
treefe13a0f81c426c6b5d6501de77c7e8fcdd2c4e86 /arm/include/u.h
parented5c9fd00a2e34a8a45288c986d52ac499db393b (diff)
downloadplan9front-2ab042f11e5848089b343cc565acb65d4a5bc64a.tar.xz
getfcr: change getfcr/setfcr to use VFP
Diffstat (limited to 'arm/include/u.h')
-rw-r--r--arm/include/u.h37
1 files changed, 21 insertions, 16 deletions
diff --git a/arm/include/u.h b/arm/include/u.h
index 916b8cc6f..5a86e34d8 100644
--- a/arm/include/u.h
+++ b/arm/include/u.h
@@ -21,27 +21,32 @@ typedef unsigned short u16int;
typedef unsigned int u32int;
typedef unsigned long long u64int;
-/* FCR */
-#define FPINEX (1<<20)
-#define FPUNFL (1<<19)
-#define FPOVFL (1<<18)
-#define FPZDIV (1<<17)
-#define FPINVAL (1<<16)
-#define FPRNR (0<<0)
-#define FPRZ (1<<0)
-#define FPRPINF (2<<0)
-#define FPRNINF (3<<0)
-#define FPRMASK (3<<0)
+/* VFP FPSCR (exceptions) */
+#define FPINEX (1<<12)
+#define FPUNFL (1<<11)
+#define FPOVFL (1<<10)
+#define FPZDIV (1<<9)
+#define FPINVAL (1<<8)
+
+/* VFP FPSCR (rounding) */
+#define FPRNR (0<<22)
+#define FPRPINF (1<<22)
+#define FPRNINF (2<<22)
+#define FPRZ (3<<22)
+
+#define FPRMASK (3<<22)
+
+/* VFP FPSCR (status) */
#define FPPEXT 0
#define FPPSGL 0
#define FPPDBL 0
#define FPPMASK 0
-/* FSR */
-#define FPAINEX (1<<4)
-#define FPAUNFL (1<<3)
-#define FPAOVFL (1<<2)
-#define FPAZDIV (1<<1)
+#define FPAINEX (1<<4)
+#define FPAUNFL (1<<3)
+#define FPAOVFL (1<<2)
+#define FPAZDIV (1<<1)
#define FPAINVAL (1<<0)
+
union FPdbleword
{
double x;