From 3941fe97783c7a31ab04fbfb127f5026dd31ef78 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Thu, 2 Jan 2020 13:24:29 +0100 Subject: demo of arm timer irq --- setup.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'setup.c') diff --git a/setup.c b/setup.c index 63ca054..ad01720 100644 --- a/setup.c +++ b/setup.c @@ -5,6 +5,7 @@ #include "atags.h" // for POWER_OF_2() macro... perhaps the macro should be moved #include "memory.h" +#include "armclock.h" void setup(uint32_t r0, uint32_t machine_type, struct atag_header *atags) @@ -14,7 +15,7 @@ void setup(uint32_t r0, uint32_t machine_type, // When we attach screen session after loading kernel with socat // we miss kernel's greeting... So we'll make the kernel wait for // one char we're going to send from within screen - //getchar(); + getchar(); puts("Hello, kernel World!"); @@ -97,6 +98,12 @@ void setup(uint32_t r0, uint32_t machine_type, // loads a blob there demo_setup_PL0(); + // sets some general settings for arm timer + armclk_init(); + + // turns on irq from arm timer + armclk_enable_timer_irq(); + // jumps to unprivileged code... never, ever, ever returns demo_go_unprivileged(); -- cgit v1.2.3