To have a better idea of how big is the region where the offset belongs, display the value with the width of the region size (i.e. a region of 0x1000 bytes uses 0x000 format).
Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org> --- include/hw/misc/unimp.h | 1 + hw/misc/unimp.c | 10 ++++++---- 2 files changed, 7 insertions(+), 4 deletions(-) diff --git a/include/hw/misc/unimp.h b/include/hw/misc/unimp.h index 4c1d13c9bf..c63968a2cd 100644 --- a/include/hw/misc/unimp.h +++ b/include/hw/misc/unimp.h @@ -20,6 +20,7 @@ typedef struct { SysBusDevice parent_obj; MemoryRegion iomem; + unsigned offset_fmt_width; char *name; uint64_t size; } UnimplementedDeviceState; diff --git a/hw/misc/unimp.c b/hw/misc/unimp.c index b4b318db1c..7146bfaf77 100644 --- a/hw/misc/unimp.c +++ b/hw/misc/unimp.c @@ -23,8 +23,8 @@ static uint64_t unimp_read(void *opaque, hwaddr offset, unsigned size) UnimplementedDeviceState *s = UNIMPLEMENTED_DEVICE(opaque); qemu_log_mask(LOG_UNIMP, "%s: unimplemented device read " - "(size %d, offset 0x%" HWADDR_PRIx ")\n", - s->name, size, offset); + "(size %d, offset 0x%0*" HWADDR_PRIx ")\n", + s->name, size, s->offset_fmt_width, offset); return 0; } @@ -34,9 +34,9 @@ static void unimp_write(void *opaque, hwaddr offset, UnimplementedDeviceState *s = UNIMPLEMENTED_DEVICE(opaque); qemu_log_mask(LOG_UNIMP, "%s: unimplemented device write " - "(size %d, offset 0x%" HWADDR_PRIx + "(size %d, offset 0x%0*" HWADDR_PRIx ", value 0x%0*" PRIx64 ")\n", - s->name, size, offset, size << 1, value); + s->name, size, s->offset_fmt_width, offset, size << 1, value); } static const MemoryRegionOps unimp_ops = { @@ -63,6 +63,8 @@ static void unimp_realize(DeviceState *dev, Error **errp) return; } + s->offset_fmt_width = ROUND_UP(64 - clz64(s->size - 1), 4) >> 2; + memory_region_init_io(&s->iomem, OBJECT(s), &unimp_ops, s, s->name, s->size); sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->iomem); -- 2.21.3