[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] hvmloader: pci range cache policy
hvmloader: pci range cache policyUse frame number instead address when we write the msr for the mtrr of the pci range. Signed-off-by: Jean Guyader <jean.guyader@xxxxxxxxxxxxx> diff -r ef7525e87030 tools/firmware/hvmloader/cacheattr.c --- a/tools/firmware/hvmloader/cacheattr.c Fri May 23 11:58:08 2008 +0100 +++ b/tools/firmware/hvmloader/cacheattr.c Fri May 23 15:53:32 2008 +0100 @@ -89,9 +89,9 @@ void cacheattr_init(void) if ( nr_var_ranges != 0 ) { /* A single UC range covering PCI space. */ - wrmsr(MSR_MTRRphysBase(0), PCI_MEMBASE); + wrmsr(MSR_MTRRphysBase(0), PCI_MEMBASE >> PAGE_SHIFT); wrmsr(MSR_MTRRphysMask(0), - ((uint64_t)(int32_t)PCI_MEMBASE & addr_mask) | (1u << 11)); + (((uint64_t)(int32_t)PCI_MEMBASE & addr_mask) | (1u << 11)) >> PAGE_SHIFT); printf("var MTRRs ... "); } diff -r ef7525e87030 tools/firmware/hvmloader/util.h --- a/tools/firmware/hvmloader/util.h Fri May 23 11:58:08 2008 +0100 +++ b/tools/firmware/hvmloader/util.h Fri May 23 15:53:32 2008 +0100 @@ -9,6 +9,8 @@ #undef NULL #define NULL ((void*)0) + +#define PAGE_SHIFT 12 void __assert_failed(char *assertion, char *file, int line) __attribute__((noreturn)); _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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