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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2023-11-07 09:41:10 +0800 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2023-11-07 09:41:10 +0800 |
| commit | b8cdbe0e4cf7f4671459e4e83e47fb0255b2f3dd (patch) | |
| tree | 0e5bf293f9e06b039c9d14a0876f8b0abb990c42 /hw/display/macfb.c | |
| parent | 3e01f1147a16ca566694b97eafc941d62fa1e8d8 (diff) | |
| parent | 95f3943210416e054751bc230d4cec7d87995525 (diff) | |
| download | focaccia-qemu-b8cdbe0e4cf7f4671459e4e83e47fb0255b2f3dd.tar.gz focaccia-qemu-b8cdbe0e4cf7f4671459e4e83e47fb0255b2f3dd.zip | |
Merge tag 'q800-for-8.2-pull-request' of https://github.com/vivier/qemu-m68k into staging
Q800 pull request 20231106 macfb: A/UX fixes for colour LUT # -----BEGIN PGP SIGNATURE----- # # iQJGBAABCAAwFiEEzS913cjjpNwuT1Fz8ww4vT8vvjwFAmVIoJQSHGxhdXJlbnRA # dml2aWVyLmV1AAoJEPMMOL0/L748uo0QALGBJCmFWVf/zMdRERqFWXERdZ/dw6H5 # kDN+EIYzzjCVWRK2YFAoihmiMIVQf7IS8j/ViuChWdvvVaWriOnt2yxB8UTCFaME # 4ZoZKu8wCmsENKtAgdU0hORYUr5sVgYlw4Umu+Jxt62UbH2gpm3Ykyxek2Q0B3OA # rs8L0Z8YjGALxB8Mf4i/YBREyP+sJDnif2d6wycVf+AXDKBEC7aplKUzYukSd9r5 # 05VZ1hpamef6uQb7oO9O/dq2mk6+FZSw3mkR1bX8aXQf8UAjmm5Q48bKWW/b+frn # kFWwYYy13TgRsvH7B5wNIWzByGwNxdvIfAwycqPrwxXyNeAhidwGHX8U4SR69IGj # ayPlIvJ3kBiUyOT49eVAKE2bnO4+MjKzoMehvgfMTRAwrlp/6lIAWnealUAnzKYZ # k1DvQgZSbF0dgpyj2iiRMJik3gesJyn1YMwwHMJCmmh9PkXqfqp76CTbUzjWU7RF # 77sXgYwMAvEHUeFhjbh0/BqRlggYf+vX6IUUFjDaU2R8Nb8iMrzM4p/27EghRJ7U # gW33Z8t8w+TXlUCoHe1ssG0Dx78j1oyKuO9M8LkeHXUXlN2GZAFimCJ6GHfwpoEx # +QFhFrwE8dBmsRjoRd+JrqxbnJe4LevvUuku5P4Un/TLYJW/XcKs/A1hlj1aL1Pa # U638/cSVdfhs # =F4bR # -----END PGP SIGNATURE----- # gpg: Signature made Mon 06 Nov 2023 16:15:16 HKT # gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C # gpg: issuer "laurent@vivier.eu" # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full] # gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full] # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full] # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * tag 'q800-for-8.2-pull-request' of https://github.com/vivier/qemu-m68k: macfb: allow reads from the DAFB_LUT register macfb: allow larger write accesses to the DAFB_LUT register macfb: rename DAFB_RESET to DAFB_LUT_INDEX macfb: don't clear interrupts when writing to DAFB_RESET Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw/display/macfb.c')
| -rw-r--r-- | hw/display/macfb.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/hw/display/macfb.c b/hw/display/macfb.c index 2f8e016566..d61541ccb5 100644 --- a/hw/display/macfb.c +++ b/hw/display/macfb.c @@ -36,8 +36,8 @@ #define DAFB_INTR_MASK 0x104 #define DAFB_INTR_STAT 0x108 #define DAFB_INTR_CLEAR 0x10c -#define DAFB_RESET 0x200 -#define DAFB_LUT 0x213 +#define DAFB_LUT_INDEX 0x200 +#define DAFB_LUT 0x210 #define DAFB_INTR_VBL 0x4 @@ -537,6 +537,11 @@ static uint64_t macfb_ctrl_read(void *opaque, case DAFB_MODE_SENSE: val = macfb_sense_read(s); break; + case DAFB_LUT ... DAFB_LUT + 3: + val = s->color_palette[s->palette_current]; + s->palette_current = (s->palette_current + 1) % + ARRAY_SIZE(s->color_palette); + break; default: if (addr < MACFB_CTRL_TOPADDR) { val = s->regs[addr >> 2]; @@ -583,13 +588,11 @@ static void macfb_ctrl_write(void *opaque, s->regs[DAFB_INTR_STAT >> 2] &= ~DAFB_INTR_VBL; macfb_update_irq(s); break; - case DAFB_RESET: - s->palette_current = 0; - s->regs[DAFB_INTR_STAT >> 2] &= ~DAFB_INTR_VBL; - macfb_update_irq(s); + case DAFB_LUT_INDEX: + s->palette_current = (val & 0xff) * 3; break; - case DAFB_LUT: - s->color_palette[s->palette_current] = val; + case DAFB_LUT ... DAFB_LUT + 3: + s->color_palette[s->palette_current] = val & 0xff; s->palette_current = (s->palette_current + 1) % ARRAY_SIZE(s->color_palette); if (s->palette_current % 3) { |