Add comment regarding timing

beckus · beckus · commit 3f46b7712a33 · 2015-06-06T00:22:32.000-04:00
diff --git a/hw/timer/stm32_timer.c b/hw/timer/stm32_timer.c
@@ -115,6 +115,8 @@ struct Stm32Timer {
 
 static void stm32_timer_freq(Stm32Timer *s)
 {
+    // Why do we need to multiply the frequency by 2?  This is how real hardware
+    // behaves.
     uint32_t clk_freq = 2*stm32_rcc_get_periph_freq(s->stm32_rcc, s->periph) / (s->psc + 1);
 	DPRINTF
 	(

Original file line number	Diff line number	Diff line change
`@@ -115,6 +115,8 @@ struct Stm32Timer {`
`115`	`115`
`116`	`116`	`static void stm32_timer_freq(Stm32Timer *s)`
`117`	`117`	`{`
	`118`	`+ // Why do we need to multiply the frequency by 2? This is how real hardware`
	`119`	`+ // behaves.`
`118`	`120`	`uint32_t clk_freq = 2*stm32_rcc_get_periph_freq(s->stm32_rcc, s->periph) / (s->psc + 1);`
`119`	`121`	`DPRINTF`
`120`	`122`	`(`