We might not start at the beginning of the memory region. Let's
calculate the offset into the memory region via the difference in the
host addresses.
Acked-by: Stefan Berger <stef...@linux.ibm.com>
Fixes: ffab1be70692 ("tpm: clear RAM when "memory overwrite" requested")
Cc: Marc-André Lureau <marcandre.lur...@redhat.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Michael S. Tsirkin" <m...@redhat.com>
Cc: Eduardo Habkost <ehabk...@redhat.com>
Cc: Alex Williamson <alex.william...@redhat.com>
Cc: Dr. David Alan Gilbert <dgilb...@redhat.com>
Cc: Igor Mammedov <imamm...@redhat.com>
Cc: Claudio Fontana <cfont...@suse.de>
Cc: Thomas Huth <th...@redhat.com>
Cc: "Alex Bennée" <alex.ben...@linaro.org>
Cc: Peter Xu <pet...@redhat.com>
Cc: Laurent Vivier <lviv...@redhat.com>
Cc: Stefan Berger <stef...@linux.vnet.ibm.com>
Signed-off-by: David Hildenbrand <da...@redhat.com>
---
hw/tpm/tpm_ppi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/hw/tpm/tpm_ppi.c b/hw/tpm/tpm_ppi.c
index 362edcc5c9..274e9aa4b0 100644
--- a/hw/tpm/tpm_ppi.c
+++ b/hw/tpm/tpm_ppi.c
@@ -30,11 +30,14 @@ void tpm_ppi_reset(TPMPPI *tpmppi)
guest_phys_blocks_init(&guest_phys_blocks);
guest_phys_blocks_append(&guest_phys_blocks);
QTAILQ_FOREACH(block, &guest_phys_blocks.head, next) {
+ hwaddr mr_offs = block->host_addr -
+ (uint8_t *)memory_region_get_ram_ptr(block->mr);
+
trace_tpm_ppi_memset(block->host_addr,
block->target_end - block->target_start);
memset(block->host_addr, 0,
block->target_end - block->target_start);
- memory_region_set_dirty(block->mr, 0,
+ memory_region_set_dirty(block->mr, mr_offs,
block->target_end - block->target_start);
}
guest_phys_blocks_free(&guest_phys_blocks);
--
2.31.1
