thermosphere: handle stage2 data aborts, trap gicd accesses

2019-08-14 00:33:19 +02:00
parent 1775d59977
commit f9ec21e99e
6 changed files with 116 additions and 3 deletions
--- a/thermosphere/src/platform/qemu/memory_map.c
+++ b/thermosphere/src/platform/qemu/memory_map.c
@@ -72,7 +72,8 @@ uintptr_t configureStage2MemoryMap(u32 *addrSpaceSize)

        identityMapL3(g_vttbl_l3_0, 0x08000000ull, BITL(21), unchanged);

-        // GICv2 CPU -> vCPU interface
+        // GICD -> trapped, GICv2 CPU -> vCPU interface
+        mmu_unmap_range(3, g_vttbl_l3_0, 0x08000000, 0x10000ull);
        mmu_map_page_range(g_vttbl_l3_0, 0x08010000ull, 0x08040000ull, 0x10000ull, devattrs);
    }