shithub: riscv

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ref: 4d96bacd35e6afcf86e1791b0747ef752951b014
parent: 07af9be3a94690b3f4141d6919224937b83c3f40
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Thu Jun 20 09:17:36 EDT 2019 

bcm, kw, omap, teg2: implement setregisters()


--- a/sys/src/9/bcm/arch.c
+++ b/sys/src/9/bcm/arch.c
@@ -74,7 +74,9 @@
 void
 setregisters(Ureg* ureg, char* pureg, char* uva, int n)
 {
-	USED(ureg, pureg, uva, n);
+	ulong v = ureg->psr;
+	memmove(pureg, uva, n);
+	ureg->psr = ureg->psr & ~(PsrMask|PsrDfiq|PsrDirq) | v & (PsrMask|PsrDfiq|PsrDirq);
 }
 
 /*
--- a/sys/src/9/kw/arch.c
+++ b/sys/src/9/kw/arch.c
@@ -74,7 +74,9 @@
 void
 setregisters(Ureg* ureg, char* pureg, char* uva, int n)
 {
-	USED(ureg, pureg, uva, n);
+	ulong v = ureg->psr;
+	memmove(pureg, uva, n);
+	ureg->psr = ureg->psr & ~(PsrMask|PsrDfiq|PsrDirq) | v & (PsrMask|PsrDfiq|PsrDirq);
 }
 
 /*
--- a/sys/src/9/omap/arch.c
+++ b/sys/src/9/omap/arch.c
@@ -74,7 +74,9 @@
 void
 setregisters(Ureg* ureg, char* pureg, char* uva, int n)
 {
-	USED(ureg, pureg, uva, n);
+	ulong v = ureg->psr;
+	memmove(pureg, uva, n);
+	ureg->psr = ureg->psr & ~(PsrMask|PsrDfiq|PsrDirq) | v & (PsrMask|PsrDfiq|PsrDirq);
 }
 
 /*
--- a/sys/src/9/teg2/arch.c
+++ b/sys/src/9/teg2/arch.c
@@ -74,7 +74,9 @@
 void
 setregisters(Ureg* ureg, char* pureg, char* uva, int n)
 {
-	USED(ureg, pureg, uva, n);
+	ulong v = ureg->psr;
+	memmove(pureg, uva, n);
+	ureg->psr = ureg->psr & ~(PsrMask|PsrDfiq|PsrDirq) | v & (PsrMask|PsrDfiq|PsrDirq);
 }
 
 /*