Jacob Laska (jlaska91@gmail.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14102
-gerrit
commit 79ef17971a8a441b8d0bed8421e15df3b36c4b95 Author: Jacob Laska jlaska@xes-inc.com Date: Tue Mar 15 21:53:27 2016 -0500
src/arch/x86/acpi.c: Use correct host address width in DMAR ACPI table
The previous implementation assumed the CPU physical address size to be 40 which is not true of all platforms. Use an existing function to obtain the correct CPU physical address to report in the DMAR ACPI table.
Change-Id: Ia79e9dadecc3f5f6a86ce3789b213222bef482b3 Signed-off-by: Jacob Laska jlaska91@gmail.com --- src/arch/x86/acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/arch/x86/acpi.c b/src/arch/x86/acpi.c index a21bae2..5640ad0 100644 --- a/src/arch/x86/acpi.c +++ b/src/arch/x86/acpi.c @@ -411,7 +411,7 @@ void acpi_create_dmar(acpi_dmar_t *dmar, enum dmar_flags flags, header->length = sizeof(acpi_dmar_t); header->revision = 1;
- dmar->host_address_width = 40 - 1; /* FIXME: == MTRR size? */ + dmar->host_address_width = cpu_phys_address_size() - 1; dmar->flags = flags;
current = acpi_fill_dmar(current);