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Re: [Qemu-devel] [PATCH 1/5] tpm: convert tpm_crb.c to use trace-events
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH 1/5] tpm: convert tpm_crb.c to use trace-events |
Date: |
Mon, 5 Mar 2018 12:07:46 +0000 |
User-agent: |
Mutt/1.9.2 (2017-12-15) |
* Stefan Berger (address@hidden) wrote:
> On 03/05/2018 04:49 AM, Dr. David Alan Gilbert wrote:
> > * Stefan Berger (address@hidden) wrote:
> > > Signed-off-by: Stefan Berger <address@hidden>
> > > ---
> > > Makefile.objs | 1 +
> > > hw/tpm/tpm_crb.c | 17 +++++------------
> > > hw/tpm/trace-events | 5 +++++
> > > 3 files changed, 11 insertions(+), 12 deletions(-)
> > > create mode 100644 hw/tpm/trace-events
> > >
> > > diff --git a/Makefile.objs b/Makefile.objs
> > > index 5dc1348..72c3d8c 100644
> > > --- a/Makefile.objs
> > > +++ b/Makefile.objs
> > > @@ -162,6 +162,7 @@ trace-events-subdirs += hw/alpha
> > > trace-events-subdirs += hw/hppa
> > > trace-events-subdirs += hw/xen
> > > trace-events-subdirs += hw/ide
> > > +trace-events-subdirs += hw/tpm
> > > trace-events-subdirs += ui
> > > trace-events-subdirs += audio
> > > trace-events-subdirs += net
> > > diff --git a/hw/tpm/tpm_crb.c b/hw/tpm/tpm_crb.c
> > > index b5b8256..d8917cb 100644
> > > --- a/hw/tpm/tpm_crb.c
> > > +++ b/hw/tpm/tpm_crb.c
> > > @@ -29,6 +29,7 @@
> > > #include "sysemu/reset.h"
> > > #include "tpm_int.h"
> > > #include "tpm_util.h"
> > > +#include "trace.h"
> > > typedef struct CRBState {
> > > DeviceState parent_obj;
> > > @@ -44,14 +45,6 @@ typedef struct CRBState {
> > > #define CRB(obj) OBJECT_CHECK(CRBState, (obj), TYPE_TPM_CRB)
> > > -#define DEBUG_CRB 0
> > > -
> > > -#define DPRINTF(fmt, ...) do { \
> > > - if (DEBUG_CRB) { \
> > > - printf(fmt, ## __VA_ARGS__); \
> > > - } \
> > > - } while (0)
> > > -
> > > #define CRB_INTF_TYPE_CRB_ACTIVE 0b1
> > > #define CRB_INTF_VERSION_CRB 0b1
> > > #define CRB_INTF_CAP_LOCALITY_0_ONLY 0b0
> > > @@ -91,8 +84,8 @@ static uint64_t tpm_crb_mmio_read(void *opaque, hwaddr
> > > addr,
> > > unsigned offset = addr & 3;
> > > uint32_t val = *(uint32_t *)regs >> (8 * offset);
> > > - DPRINTF("CRB read 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx32 "\n",
> > > - addr, size, val);
> > > + trace_tpm_crb_mmio_read(addr, size, val);
> > > +
> > > return val;
> > > }
> > > @@ -100,8 +93,8 @@ static void tpm_crb_mmio_write(void *opaque, hwaddr
> > > addr,
> > > uint64_t val, unsigned size)
> > > {
> > > CRBState *s = CRB(opaque);
> > > - DPRINTF("CRB write 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx64 "\n",
> > > - addr, size, val);
> > > +
> > > + trace_tpm_crb_mmio_write(addr, size, val);
> > > switch (addr) {
> > > case A_CRB_CTRL_REQ:
> > > diff --git a/hw/tpm/trace-events b/hw/tpm/trace-events
> > > new file mode 100644
> > > index 0000000..336b06d
> > > --- /dev/null
> > > +++ b/hw/tpm/trace-events
> > > @@ -0,0 +1,5 @@
> > > +# See docs/devel/tracing.txt for syntax documentation.
> > > +
> > > +# hw/tpm/tpm_crb.c
> > > +tpm_crb_mmio_read(uint64_t addr, unsigned size, uint32_t val) "CRB read
> > > 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx32
> > > +tpm_crb_mmio_write(uint64_t addr, unsigned size, uint32_t val) "CRB
> > > write 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx32
> > Have you checked that builds OK on 32bit? I think you'll need to use
> > PRIx64 there since the trace makes you use the uint64_t parameter.
>
> It builds fines as it is.
OK, fair enough.
Dave
> Stefan
>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
- [Qemu-devel] [PATCH 0/5] Convert the TPM code to use tracing, Stefan Berger, 2018/03/04
- [Qemu-devel] [PATCH 2/5] tpm: convert tpm_passthrough.c to use trace-events, Stefan Berger, 2018/03/04
- [Qemu-devel] [PATCH 3/5] tpm: convert tpm_util.c to use trace-events, Stefan Berger, 2018/03/04
- [Qemu-devel] [PATCH 4/5] tpm: convert tpm_emulator.c to use trace-events, Stefan Berger, 2018/03/04
- [Qemu-devel] [PATCH 5/5] tpm: convert tpm_tis.c to use trace-events, Stefan Berger, 2018/03/04
- Re: [Qemu-devel] [PATCH 0/5] Convert the TPM code to use tracing, Marc-André Lureau, 2018/03/05
- Re: [Qemu-devel] [PATCH 0/5] Convert the TPM code to use tracing, Stefan Hajnoczi, 2018/03/06