diff options
Diffstat (limited to 'hw/ide')
| -rw-r--r-- | hw/ide/ahci.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 2aea9c3..4e6f3f1 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -282,30 +282,32 @@ static int ahci_cond_start_engines(AHCIDevice *ad) static void ahci_port_write(AHCIState *s, int port, int offset, uint32_t val) { AHCIPortRegs *pr = &s->dev[port].port_regs; + enum AHCIPortReg regnum = offset / sizeof(uint32_t); + assert(regnum < (AHCI_PORT_ADDR_OFFSET_LEN / sizeof(uint32_t))); trace_ahci_port_write(s, port, offset, val); - switch (offset) { - case PORT_LST_ADDR: + switch (regnum) { + case AHCI_PORT_REG_LST_ADDR: pr->lst_addr = val; break; - case PORT_LST_ADDR_HI: + case AHCI_PORT_REG_LST_ADDR_HI: pr->lst_addr_hi = val; break; - case PORT_FIS_ADDR: + case AHCI_PORT_REG_FIS_ADDR: pr->fis_addr = val; break; - case PORT_FIS_ADDR_HI: + case AHCI_PORT_REG_FIS_ADDR_HI: pr->fis_addr_hi = val; break; - case PORT_IRQ_STAT: + case AHCI_PORT_REG_IRQ_STAT: pr->irq_stat &= ~val; ahci_check_irq(s); break; - case PORT_IRQ_MASK: + case AHCI_PORT_REG_IRQ_MASK: pr->irq_mask = val & 0xfdc000ff; ahci_check_irq(s); break; - case PORT_CMD: + case AHCI_PORT_REG_CMD: /* Block any Read-only fields from being set; * including LIST_ON and FIS_ON. * The spec requires to set ICC bits to zero after the ICC change @@ -329,26 +331,26 @@ static void ahci_port_write(AHCIState *s, int port, int offset, uint32_t val) check_cmd(s, port); break; - case PORT_TFDATA: - case PORT_SIG: - case PORT_SCR_STAT: + case AHCI_PORT_REG_TFDATA: + case AHCI_PORT_REG_SIG: + case AHCI_PORT_REG_SCR_STAT: /* Read Only */ break; - case PORT_SCR_CTL: + case AHCI_PORT_REG_SCR_CTL: if (((pr->scr_ctl & AHCI_SCR_SCTL_DET) == 1) && ((val & AHCI_SCR_SCTL_DET) == 0)) { ahci_reset_port(s, port); } pr->scr_ctl = val; break; - case PORT_SCR_ERR: + case AHCI_PORT_REG_SCR_ERR: pr->scr_err &= ~val; break; - case PORT_SCR_ACT: + case AHCI_PORT_REG_SCR_ACT: /* RW1 */ pr->scr_act |= val; break; - case PORT_CMD_ISSUE: + case AHCI_PORT_REG_CMD_ISSUE: pr->cmd_issue |= val; check_cmd(s, port); break; |