diff options
Diffstat (limited to 'hw/lsi53c895a.c')
| -rw-r--r-- | hw/lsi53c895a.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c index 1f4f8b7ef..d4805c421 100644 --- a/hw/lsi53c895a.c +++ b/hw/lsi53c895a.c @@ -262,6 +262,7 @@ typedef struct { uint32_t sbc; uint32_t csbc; uint32_t scratch[18]; /* SCRATCHA-SCRATCHR */ + uint8_t sbr; /* Script ram is stored as 32-bit words in host byteorder. */ uint32_t script_ram[2048]; @@ -330,6 +331,7 @@ static void lsi_soft_reset(LSIState *s) s->ia = 0; s->sbc = 0; s->csbc = 0; + s->sbr = 0; } static int lsi_dma_40bit(LSIState *s) @@ -1400,6 +1402,7 @@ static uint8_t lsi_reg_readb(LSIState *s, int offset) CASE_GET_REG24(dbc, 0x24) case 0x27: /* DCMD */ return s->dcmd; + CASE_GET_REG32(dnad, 0x28) CASE_GET_REG32(dsp, 0x2c) CASE_GET_REG32(dsps, 0x30) CASE_GET_REG32(scratch[0], 0x34) @@ -1407,6 +1410,8 @@ static uint8_t lsi_reg_readb(LSIState *s, int offset) return s->dmode; case 0x39: /* DIEN */ return s->dien; + case 0x3a: /* SBR */ + return s->sbr; case 0x3b: /* DCNTL */ return s->dcntl; case 0x40: /* SIEN0 */ @@ -1486,6 +1491,11 @@ static uint8_t lsi_reg_readb(LSIState *s, int offset) static void lsi_reg_writeb(LSIState *s, int offset, uint8_t val) { +#define CASE_SET_REG24(name, addr) \ + case addr : s->name &= 0xffffff00; s->name |= val; break; \ + case addr + 1: s->name &= 0xffff00ff; s->name |= val << 8; break; \ + case addr + 2: s->name &= 0xff00ffff; s->name |= val << 16; break; + #define CASE_SET_REG32(name, addr) \ case addr : s->name &= 0xffffff00; s->name |= val; break; \ case addr + 1: s->name &= 0xffff00ff; s->name |= val << 8; break; \ @@ -1590,6 +1600,8 @@ static void lsi_reg_writeb(LSIState *s, int offset, uint8_t val) } s->ctest5 = val; break; + CASE_SET_REG24(dbc, 0x24) + CASE_SET_REG32(dnad, 0x28) case 0x2c: /* DSP[0:7] */ s->dsp &= 0xffffff00; s->dsp |= val; @@ -1621,6 +1633,9 @@ static void lsi_reg_writeb(LSIState *s, int offset, uint8_t val) s->dien = val; lsi_update_irq(s); break; + case 0x3a: /* SBR */ + s->sbr = val; + break; case 0x3b: /* DCNTL */ s->dcntl = val & ~(LSI_DCNTL_PFF | LSI_DCNTL_STD); if ((val & LSI_DCNTL_STD) && (s->istat1 & LSI_ISTAT1_SRUN) == 0) @@ -1700,6 +1715,7 @@ static void lsi_reg_writeb(LSIState *s, int offset, uint8_t val) BADF("Unhandled writeb 0x%x = 0x%x\n", offset, val); } } +#undef CASE_SET_REG24 #undef CASE_SET_REG32 } |