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| author | Sebastian Herbszt <herbszt@gmx.de> | 2009-06-13 23:03:26 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-06-16 17:46:57 -0500 |
| commit | 04f4e710a06cc024a98e3e90be6fcf096d0dd0d3 (patch) | |
| tree | e059943c558928e0cb984e80d5a460b968e5b608 | |
| parent | accceed914ff6cd0ba9258ff76659141ea24bb62 (diff) | |
| download | qemu-04f4e710a06cc024a98e3e90be6fcf096d0dd0d3.tar.gz | |
lsi53c895a: Implement Scratch Byte Register
Fixes the following errors:
lsi_scsi: error: Unhandled writeb 0x3a = 0x0
lsi_scsi: error: readb 0x3a
(cherry picked from commit bd8ee11a6b19343f4ad0a1c5d16869584f609369)
Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
| -rw-r--r-- | hw/lsi53c895a.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c index 1f4f8b7ef7..c22bd1598b 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) @@ -1407,6 +1409,8 @@ 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 */ @@ -1621,6 +1625,9 @@ 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) |