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loader: Trace loaded images 

This adds a trace point which prints every loaded image. This includes
bios/firmware/kernel/initradmdisk/pcirom.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190613050937.124903-1-aik@ozlabs.ru>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Alexey Kardashevskiy 2019-06-13 15:09:37 +10:00 committed by Stefan Hajnoczi
parent f8c3db33a5
commit 26b8e6dc42
3 changed files with 6 additions and 0 deletions
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1
Makefile.objs
View File

@ -203,6 +203,7 @@ trace-events-subdirs += target/riscv
trace-events-subdirs += target/s390x
trace-events-subdirs += target/sparc
trace-events-subdirs += util
trace-events-subdirs += hw/core
trace-events-files = $(SRC_PATH)/trace-events $(trace-events-subdirs:%=$(SRC_PATH)/%/trace-events)

3
hw/core/loader.c
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@ -45,6 +45,7 @@
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qapi/error.h"
#include "trace.h"
#include "hw/hw.h"
#include "disas/disas.h"
#include "migration/vmstate.h"
@ -1151,6 +1152,8 @@ static void rom_reset(void *unused)
* CPU definitely fetches its instructions from the just written data.
*/
cpu_flush_icache_range(rom->addr, rom->datasize);
trace_loader_write_rom(rom->name, rom->addr, rom->datasize, rom->isrom);
}
}

2
hw/core/trace-events Normal file
View File

@ -0,0 +1,2 @@
# loader.c
loader_write_rom(const char *name, uint64_t gpa, uint64_t size, bool isrom) "%s: @0x%"PRIx64" size=0x%"PRIx64" ROM=%d"