OpenE2K
/
qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

Add TurboSPARC mask ID register (Robert Reif) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3932 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-01-25 19:52:54 +00:00
parent e1cb950242
commit e5e3812157
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
hw/iommu.c
View File

@ -34,7 +34,7 @@ do { printf("IOMMU: " fmt , ##args); } while (0)
#define DPRINTF(fmt, args...)
#endif
#define IOMMU_NREGS (3*4096/4)
#define IOMMU_NREGS (4*4096/4)
#define IOMMU_CTRL (0x0000 >> 2)
#define IOMMU_CTRL_IMPL 0xf0000000 /* Implementation */
#define IOMMU_CTRL_VERS 0x0f000000 /* Version */
@ -95,6 +95,12 @@ do { printf("IOMMU: " fmt , ##args); } while (0)
#define IOMMU_ARBEN_MASK 0x001f0000
#define IOMMU_MID 0x00000008
#define IOMMU_MASK_ID (0x3018 >> 2) /* Mask ID */
#define IOMMU_MASK_ID_MASK 0x00ffffff
#define IOMMU_MSII_MASK 0x26000000 /* microSPARC II mask number */
#define IOMMU_TS_MASK 0x23000000 /* turboSPARC mask number */
/* The format of an iopte in the page tables */
#define IOPTE_PAGE 0xffffff00 /* Physical page number (PA[35:12]) */
#define IOPTE_CACHE 0x00000080 /* Cached (in vme IOCACHE or
@ -206,6 +212,9 @@ static void iommu_mem_writel(void *opaque, target_phys_addr_t addr,
// addresses, fault cause and address stored to MMU/IOMMU
s->regs[saddr] = (val & IOMMU_ARBEN_MASK) | IOMMU_MID;
break;
case IOMMU_MASK_ID:
s->regs[saddr] |= val & IOMMU_MASK_ID_MASK;
break;
default:
s->regs[saddr] = val;
break;
@ -337,6 +346,7 @@ static void iommu_reset(void *opaque)
s->regs[IOMMU_CTRL] = s->version;
s->regs[IOMMU_ARBEN] = IOMMU_MID;
s->regs[IOMMU_AFSR] = IOMMU_AFSR_RESV;
s->regs[IOMMU_MASK_ID] = IOMMU_TS_MASK;
qemu_irq_lower(s->irq);
}