From 1c6cd8e1ea53275cc44b2a0ee5a8448cbc4a3f0d Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Sat, 4 Dec 2021 17:09:22 -0700
Subject: Restructured project

---
 src/util/time.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/util/time.h | 14 +++++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 src/util/time.c
 create mode 100644 src/util/time.h

(limited to 'src/util')

diff --git a/src/util/time.c b/src/util/time.c
new file mode 100644
index 0000000..72fc52b
--- /dev/null
+++ b/src/util/time.c
@@ -0,0 +1,64 @@
+#include "../sys/core.h"
+
+void routing_core0cntv_to_core0irq(void)
+{
+	// IRQ
+	store32(0x08, CORE0_TIMER_IRQCNTL);
+	// FIQ
+	//store32(0x80, CORE0_TIMER_IRQCNTL);
+}
+
+unsigned long read_core0timer_pending(void)
+{
+	unsigned long tmp;
+	tmp = load32(CORE0_IRQ_SOURCE);
+	return tmp;
+}
+
+void enable_cntv(void)
+{
+	unsigned long cntv_ctl;
+	cntv_ctl = 1;
+	asm volatile ("mcr p15, 0, %0, c14, c3, 1" :: "r"(cntv_ctl) ); // write CNTV_CTL
+}
+
+void disable_cntv(void)
+{
+	unsigned long cntv_ctl;
+	cntv_ctl = 0;
+	asm volatile ("mcr p15, 0, %0, c14, c3, 1" :: "r"(cntv_ctl) ); // write CNTV_CTL
+}
+
+unsigned long long read_cntvct(void)
+{
+	unsigned long long val;
+	asm volatile("mrrc p15, 1, %Q0, %R0, c14" : "=r" (val));
+	return (val);
+}
+
+unsigned long long read_cntvoff(void)
+{
+	unsigned long long val;
+	asm volatile("mrrc p15, 4, %Q0, %R0, c14" : "=r" (val));
+	return (val);
+}
+
+unsigned long read_cntv_tval(void)
+{
+	unsigned long val;
+	asm volatile ("mrc p15, 0, %0, c14, c3, 0" : "=r"(val) );
+	return val;
+}
+
+void write_cntv_tval(unsigned long val)
+{
+	asm volatile ("mcr p15, 0, %0, c14, c3, 0" :: "r"(val) );
+	return;
+}
+
+unsigned long read_cntfrq(void)
+{
+	unsigned long val;
+	asm volatile ("mrc p15, 0, %0, c14, c0, 0" : "=r"(val) );
+	return val;
+}
diff --git a/src/util/time.h b/src/util/time.h
new file mode 100644
index 0000000..1fb3906
--- /dev/null
+++ b/src/util/time.h
@@ -0,0 +1,14 @@
+#ifndef TIME_H
+#define TIME_H
+
+void routing_core0cntv_to_core0irq(void);
+unsigned long read_core0timer_pending(void);
+void enable_cntv(void);
+void disable_cntv(void);
+unsigned long long read_cntvct(void);
+unsigned long long read_cntvoff(void);
+unsigned long read_cntv_tval(void);
+void write_cntv_tval(unsigned long val);
+unsigned long read_cntfrq(void);
+
+#endif
-- 
cgit v1.2.1