search for: hpet_address

...n Tian <kevin.tian@intel.com> diff -r ab0c1bdede53 xen/arch/x86/hpet.c --- a/xen/arch/x86/hpet.c Wed Nov 26 11:14:26 2008 +0000 +++ b/xen/arch/x86/hpet.c Wed Nov 26 19:22:03 2008 -0500 @@ -273,6 +273,8 @@ return hpet_rate; system_reset_latch = system_reset_counter; + if ( !hpet_address ) + return 0; set_fixmap_nocache(FIX_HPET_BASE, hpet_address); hpet_id = hpet_read32(HPET_ID); _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

...t init_hpet(struct platf static void resume_hpet(struct platform_timesource *pts) { - hpet_resume(); + hpet_resume(NULL); } static struct platform_timesource __initdata plt_hpet = --- a/xen/include/asm-x86/hpet.h +++ b/xen/include/asm-x86/hpet.h @@ -55,7 +55,12 @@ extern unsigned long hpet_address; * Return value is zero if HPET is unavailable. */ u64 hpet_setup(void); -void hpet_resume(void); +void hpet_resume(u32 *); + +/* + * Disable HPET hardware: restore it to boot time state. + */ +void hpet_disable(void); /* * Callback from legacy timer (PIT channel 0) IRQ handler. _____...

Hi Ingo, Here''s the chunk of patches to add Xen Dom0 support (it''s probably worth creating a new xen/dom0 topic branch for it). A dom0 Xen domain is basically the same as a normal domU domain, but it has extra privileges to directly access hardware. There are two issues to deal with: - translating to and from the domain''s pseudo-physical addresses and real machine