Author: br
Date: Fri May 27 17:58:10 2016
New Revision: 300859
URL: https://svnweb.freebsd.org/changeset/base/300859
Log:
Correct the implementation of dtrace_interrupt_disable/enable.
Pointed out by: andrew
Sponsored by: DARPA, AFRL
Sponsored by: HEIF5
Modified:
head/sys/cddl/dev/dtrace/riscv/dtrace_asm.S
Modified: head/sys/cddl/dev/dtrace/riscv/dtrace_asm.S
==============================================================================
--- head/sys/cddl/dev/dtrace/riscv/dtrace_asm.S Fri May 27 17:57:30 2016
(r300858)
+++ head/sys/cddl/dev/dtrace/riscv/dtrace_asm.S Fri May 27 17:58:10 2016
(r300859)
@@ -57,7 +57,8 @@ END(dtrace_membar_consumer)
dtrace_icookie_t dtrace_interrupt_disable(void)
*/
ENTRY(dtrace_interrupt_disable)
- csrci sstatus, 1
+ csrrci a0, sstatus, SSTATUS_IE
+ andi a0, a0, SSTATUS_IE
RET
END(dtrace_interrupt_disable)
@@ -65,7 +66,7 @@ END(dtrace_interrupt_disable)
void dtrace_interrupt_enable(dtrace_icookie_t cookie)
*/
ENTRY(dtrace_interrupt_enable)
- csrsi sstatus, 1
+ csrs sstatus, a0
RET
END(dtrace_interrupt_enable)
/*
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