diff options
| author | Yongbok Kim <yongbok.kim@mips.com> | 2019-01-03 15:39:31 +0100 |
|---|---|---|
| committer | Aleksandar Markovic <amarkovic@wavecomp.com> | 2019-01-18 16:53:28 +0100 |
| commit | e5345d96752a9dec441b022502be34e01bcacca8 (patch) | |
| tree | 578cad921d1d4b775c0724acc87255ef47af4ae3 | |
| parent | 5fb2dcd17921be71b55fb62d59a12992707d2d3e (diff) | |
target/mips: Add field and R/W access to ITU control register ICR0
Add field and R/W access to ITU control register ICR0.
Reviewed-by: Stefan Markovic <smarkovic@wavecomp.com>
Signed-off-by: Yongbok Kim <yongbok.kim@mips.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
| -rw-r--r-- | hw/misc/mips_itu.c | 22 | ||||
| -rw-r--r-- | include/hw/misc/mips_itu.h | 4 |
2 files changed, 25 insertions, 1 deletions
diff --git a/hw/misc/mips_itu.c b/hw/misc/mips_itu.c index 43bbec46cf..4801958a2f 100644 --- a/hw/misc/mips_itu.c +++ b/hw/misc/mips_itu.c @@ -55,9 +55,17 @@ typedef enum ITCView { ITCVIEW_EF_SYNC = 2, ITCVIEW_EF_TRY = 3, ITCVIEW_PV_SYNC = 4, - ITCVIEW_PV_TRY = 5 + ITCVIEW_PV_TRY = 5, + ITCVIEW_PV_ICR0 = 15, } ITCView; +#define ITC_ICR0_CELL_NUM 16 +#define ITC_ICR0_BLK_GRAIN 8 +#define ITC_ICR0_BLK_GRAIN_MASK 0x7 +#define ITC_ICR0_ERR_AXI 2 +#define ITC_ICR0_ERR_PARITY 1 +#define ITC_ICR0_ERR_EXEC 0 + MemoryRegion *mips_itu_get_tag_region(MIPSITUState *itu) { return &itu->tag_io; @@ -382,6 +390,9 @@ static uint64_t itc_storage_read(void *opaque, hwaddr addr, unsigned size) case ITCVIEW_PV_TRY: ret = view_pv_try_read(cell); break; + case ITCVIEW_PV_ICR0: + ret = s->icr0; + break; default: qemu_log_mask(LOG_GUEST_ERROR, "itc_storage_read: Bad ITC View %d\n", (int)view); @@ -417,6 +428,15 @@ static void itc_storage_write(void *opaque, hwaddr addr, uint64_t data, case ITCVIEW_PV_TRY: view_pv_try_write(cell); break; + case ITCVIEW_PV_ICR0: + if (data & 0x7) { + /* clear ERROR bits */ + s->icr0 &= ~(data & 0x7); + } + /* set BLK_GRAIN */ + s->icr0 &= ~0x700; + s->icr0 |= data & 0x700; + break; default: qemu_log_mask(LOG_GUEST_ERROR, "itc_storage_write: Bad ITC View %d\n", (int)view); diff --git a/include/hw/misc/mips_itu.h b/include/hw/misc/mips_itu.h index 030eb4ac62..45a0c519b7 100644 --- a/include/hw/misc/mips_itu.h +++ b/include/hw/misc/mips_itu.h @@ -66,6 +66,10 @@ typedef struct MIPSITUState { /* ITC Configuration Tags */ uint64_t ITCAddressMap[ITC_ADDRESSMAP_NUM]; MemoryRegion tag_io; + + /* ITU Control Register */ + uint64_t icr0; + } MIPSITUState; /* Get ITC Configuration Tag memory region. */ |