[Minios-devel] [UNIKRAFT PATCH 08/17] plat/common: Add ukplat_lcpu_{enable, disable}_irq functions

[Costin Lupu <costin.lupu@xxxxxxxxx>]

These functions enable/disable interrupts without using the interrupt
enable flag of the CPU flags register. These are used by the CPU halting
functions.

Signed-off-by: Costin Lupu <costin.lupu@xxxxxxxxx>
---
 include/uk/plat/lcpu.h | 10 ++++++++++
 plat/xen/lcpu.c        | 10 ++++++++++
 2 files changed, 20 insertions(+)

diff --git a/include/uk/plat/lcpu.h b/include/uk/plat/lcpu.h
index 5f5939d..de37e8b 100644
--- a/include/uk/plat/lcpu.h
+++ b/include/uk/plat/lcpu.h
@@ -49,6 +49,16 @@ __u8 ukplat_lcpu_count(void);
 #endif
 
 /**
+ * Enables interrupts
+ */
+void ukplat_lcpu_enable_irq(void);
+
+/**
+ * Disables interrupts
+ */
+void ukplat_lcpu_disable_irq(void);
+
+/**
  * Returns current interrupt flags and disables them
  * @return interrupt flags (Note that the format is unspecified)
  */
diff --git a/plat/xen/lcpu.c b/plat/xen/lcpu.c
index 476345b..eed89fb 100644
--- a/plat/xen/lcpu.c
+++ b/plat/xen/lcpu.c
@@ -44,6 +44,16 @@
 #include <uk/plat/lcpu.h>
 #include <uk/plat/time.h>
 
+void ukplat_lcpu_enable_irq(void)
+{
+       local_irq_enable();
+}
+
+void ukplat_lcpu_disable_irq(void)
+{
+       local_irq_disable();
+}
+
 unsigned long ukplat_lcpu_save_irqf(void)
 {
        unsigned long flags;
-- 
2.1.4


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