qemu/hw/tpm/tpm_ppi.c
Markus Armbruster 71e8a91585 Include sysemu/reset.h a lot less
In my "build everything" tree, changing sysemu/reset.h triggers a
recompile of some 2600 out of 6600 objects (not counting tests and
objects that don't depend on qemu/osdep.h).

The main culprit is hw/hw.h, which supposedly includes it for
convenience.

Include sysemu/reset.h only where it's needed.  Touching it now
recompiles less than 200 objects.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190812052359.30071-9-armbru@redhat.com>
2019-08-16 13:31:52 +02:00

53 lines
1.6 KiB
C

/*
* tpm_ppi.c - TPM Physical Presence Interface
*
* Copyright (C) 2018 IBM Corporation
*
* Authors:
* Stefan Berger <stefanb@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "cpu.h"
#include "sysemu/memory_mapping.h"
#include "migration/vmstate.h"
#include "tpm_ppi.h"
#include "trace.h"
void tpm_ppi_reset(TPMPPI *tpmppi)
{
if (tpmppi->buf[0x15a /* movv, docs/specs/tpm.txt */] & 0x1) {
GuestPhysBlockList guest_phys_blocks;
GuestPhysBlock *block;
guest_phys_blocks_init(&guest_phys_blocks);
guest_phys_blocks_append(&guest_phys_blocks);
QTAILQ_FOREACH(block, &guest_phys_blocks.head, next) {
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,
block->target_end - block->target_start);
}
guest_phys_blocks_free(&guest_phys_blocks);
}
}
void tpm_ppi_init(TPMPPI *tpmppi, struct MemoryRegion *m,
hwaddr addr, Object *obj)
{
tpmppi->buf = g_malloc0(HOST_PAGE_ALIGN(TPM_PPI_ADDR_SIZE));
memory_region_init_ram_device_ptr(&tpmppi->ram, obj, "tpm-ppi",
TPM_PPI_ADDR_SIZE, tpmppi->buf);
vmstate_register_ram(&tpmppi->ram, DEVICE(obj));
memory_region_add_subregion(m, addr, &tpmppi->ram);
}