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authorMyles Watson <mylesgw@gmail.com>2009-05-11 22:44:14 +0000
committerMyles Watson <mylesgw@gmail.com>2009-05-11 22:44:14 +0000
commit0520d55f5b20ed0b5f192a695aff033320875233 (patch)
tree23987377fd54be164ff3195487abb2fc14caba5e /src/cpu
parent032a9653a6d5e1c61221358979a45852739ff379 (diff)
This patch adds high table support to qemu. It was already added to
src/northbridge/intel/i440bx/ but not to src/cpu/emulation/qemu-x86/northbridge.c It also adds a driver for the ISA device that is found when using 0.9.1 If you look in a log without this patch you won't find the RTC init lines. Signed-off-by: Myles Watson <mylesgw@gmail.com> Acked-by: Ronald G. Minnich <rminnich@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4269 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/emulation/qemu-x86/northbridge.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/src/cpu/emulation/qemu-x86/northbridge.c b/src/cpu/emulation/qemu-x86/northbridge.c
index f9b63ca848..34745a0f57 100644
--- a/src/cpu/emulation/qemu-x86/northbridge.c
+++ b/src/cpu/emulation/qemu-x86/northbridge.c
@@ -65,6 +65,11 @@ static uint32_t find_pci_tolm(struct bus *bus)
return tolm;
}
+#if HAVE_HIGH_TABLES==1
+#define HIGH_TABLES_SIZE 64 // maximum size of high tables in KB
+extern uint64_t high_tables_base, high_tables_size;
+#endif
+
static void pci_domain_set_resources(device_t dev)
{
static const uint8_t ramregs[] = {
@@ -110,7 +115,14 @@ static void pci_domain_set_resources(device_t dev)
/* Report the memory regions. */
idx = 10;
- ram_resource(dev, idx++, 0, tolmk);
+ ram_resource(dev, idx++, 0, 640);
+ ram_resource(dev, idx++, 768, tolmk - 768);
+
+#if HAVE_HIGH_TABLES==1
+ /* Leave some space for ACPI, PIRQ and MP tables */
+ high_tables_base = (tomk - HIGH_TABLES_SIZE) * 1024;
+ high_tables_size = HIGH_TABLES_SIZE * 1024;
+#endif
}
assign_resources(&dev->link[0]);
}