This adds a trace point which prints every loaded image. This includes bios/firmware/kernel/initradmdisk/pcirom.
Signed-off-by: Alexey Kardashevskiy <[email protected]> --- The example for a pseries guest: loader_write_rom slof.bin: @0x0 size=0xe22e0 ROM=0 loader_write_rom phdr #0: /home/aik/t/vml4120le: @0x400000 size=0x13df000 ROM=0 loader_write_rom /home/aik/t/le.cpio: @0x1ad0000 size=0x9463a00 ROM=0 Sadly "spapr-rtas.bin" does not show up because it is loaded from the spapr machine reset handler rather than via rom_reset(), may be needs to be fixed. --- Makefile.objs | 1 + hw/core/loader.c | 3 +++ hw/core/trace-events | 2 ++ 3 files changed, 6 insertions(+) create mode 100644 hw/core/trace-events diff --git a/Makefile.objs b/Makefile.objs index c8337fa34be8..036ca6752908 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -200,6 +200,7 @@ 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) diff --git a/hw/core/loader.c b/hw/core/loader.c index a097bbe30a74..7fe083af492f 100644 --- a/hw/core/loader.c +++ b/hw/core/loader.c @@ -44,6 +44,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" +#include "trace.h" #include "hw/hw.h" #include "disas/disas.h" #include "monitor/monitor.h" @@ -1114,6 +1115,8 @@ 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); } } diff --git a/hw/core/trace-events b/hw/core/trace-events new file mode 100644 index 000000000000..fe47a9c8cb1f --- /dev/null +++ b/hw/core/trace-events @@ -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" -- 2.17.1
