From 1884398e91ca77523141fe8a76c6555fb40dc425 Mon Sep 17 00:00:00 2001
From: maskedarray <rao.arrn@gmail.com>
Date: Mon, 7 Aug 2023 18:26:10 -0400
Subject: [PATCH] working pmu interrupts in bao hypervisor

---
 bao-hypervisor/src/core/console.c     | 4 ++++
 bao-hypervisor/src/core/inc/console.h | 2 ++
 bao-hypervisor/src/core/interrupts.c  | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/bao-hypervisor/src/core/console.c b/bao-hypervisor/src/core/console.c
index 5e50670..aba666c 100644
--- a/bao-hypervisor/src/core/console.c
+++ b/bao-hypervisor/src/core/console.c
@@ -23,6 +23,10 @@
 #include <fences.h>
 #include <spinlock.h>
 
+void pmu_v1_interrupt_handler(){
+    printk("PMU interrupt in hypervisor\n\r");
+}
+
 volatile bao_uart_t uart
     __attribute__((section(".devices"), aligned(PAGE_SIZE)));
 bool ready = false;
diff --git a/bao-hypervisor/src/core/inc/console.h b/bao-hypervisor/src/core/inc/console.h
index 90719b8..82973fb 100644
--- a/bao-hypervisor/src/core/inc/console.h
+++ b/bao-hypervisor/src/core/inc/console.h
@@ -30,6 +30,8 @@ typedef struct {
 extern volatile pmu_v1_global_t pmu_v1_global
     __attribute__((section(".devices")));
 
+void pmu_v1_interrupt_handler();
+
 void console_init();
 void console_write(char const* const str);
 
diff --git a/bao-hypervisor/src/core/interrupts.c b/bao-hypervisor/src/core/interrupts.c
index 876d62d..46b97b4 100644
--- a/bao-hypervisor/src/core/interrupts.c
+++ b/bao-hypervisor/src/core/interrupts.c
@@ -20,6 +20,7 @@
 #include <vm.h>
 #include <bitmap.h>
 #include <string.h>
+#include <console.h>
 
 BITMAP_ALLOC(hyp_interrupt_bitmap, MAX_INTERRUPTS);
 BITMAP_ALLOC(global_interrupt_bitmap, MAX_INTERRUPTS);
@@ -52,6 +53,8 @@ inline void interrupts_init()
 
     if (cpu.id == CPU_MASTER) {
         interrupts_reserve(IPI_CPU_MSG, cpu_msg_handler);
+        interrupts_reserve(143, pmu_v1_interrupt_handler);
+        interrupts_cpu_enable(143, true);
     }
 
     interrupts_cpu_enable(IPI_CPU_MSG, true);