diff options
author | Sebastian Bauer <mail@sebastianbauer.info> | 2018-07-04 11:40:58 +0200 |
---|---|---|
committer | David Gibson <david@gibson.dropbear.id.au> | 2018-07-07 12:12:27 +1000 |
commit | 06cb926aaa51970fc009245bb5e15700c19a56f8 (patch) | |
tree | 76ca9b316c416606df8651795c0ff753efed0b4a /hw | |
parent | debc7e7dad1e70c03d585d96625da0038eba375c (diff) |
sm501: Log unimplemented raster operation modes
The sm501 currently implements only a very limited set of raster operation
modes. After this change, unknown raster operation modes are logged so
these can be easily spotted.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/display/sm501.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/hw/display/sm501.c b/hw/display/sm501.c index 0b44d95169..ebd139006e 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -706,6 +706,8 @@ static void sm501_2d_operation(SM501State *s) int format_flags = (s->twoD_stretch >> 20) & 0x3; int addressing = (s->twoD_stretch >> 16) & 0xF; int rop_mode = (s->twoD_control >> 15) & 0x1; /* 1 for rop2, else rop3 */ + /* 1 if rop2 source is the pattern, otherwise the source is the bitmap */ + int rop2_source_is_pattern = (s->twoD_control >> 14) & 0x1; int rop = s->twoD_control & 0xFF; /* get frame buffer info */ @@ -719,6 +721,27 @@ static void sm501_2d_operation(SM501State *s) abort(); } + if (rop_mode == 0) { + if (rop != 0xcc) { + /* Anything other than plain copies are not supported */ + qemu_log_mask(LOG_UNIMP, "sm501: rop3 mode with rop %x is not " + "supported.\n", rop); + } + } else { + if (rop2_source_is_pattern && rop != 0x5) { + /* For pattern source, we support only inverse dest */ + qemu_log_mask(LOG_UNIMP, "sm501: rop2 source being the pattern and " + "rop %x is not supported.\n", rop); + } else { + if (rop != 0x5 && rop != 0xc) { + /* Anything other than plain copies or inverse dest is not + * supported */ + qemu_log_mask(LOG_UNIMP, "sm501: rop mode %x is not " + "supported.\n", rop); + } + } + } + if ((s->twoD_source_base & 0x08000000) || (s->twoD_destination_base & 0x08000000)) { printf("%s: only local memory is supported.\n", __func__); |