diff options
| author | Chris Metcalf <cmetcalf@tilera.com> | 2010-09-15 11:16:10 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-09-15 11:16:10 -0400 |
| commit | a802fc685426303ab627b7ad3fd5c97b5dea7e00 (patch) | |
| tree | 29a4ae60405318129efc0897f311a6ac4b1328d2 /arch/tile/include/asm | |
| parent | 74fca9da097b74117ae2cef9e5f0d9b0e28ccbb7 (diff) | |
arch/tile: Save and restore extra user state for tilegx
During context switch, save and restore a couple of additional bits of
tilegx user state that can be persistently modified by userspace.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile/include/asm')
| -rw-r--r-- | arch/tile/include/asm/processor.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h index d942d09b252..ccd5f842568 100644 --- a/arch/tile/include/asm/processor.h +++ b/arch/tile/include/asm/processor.h @@ -103,6 +103,18 @@ struct thread_struct { /* Any other miscellaneous processor state bits */ unsigned long proc_status; #endif +#if !CHIP_HAS_FIXED_INTVEC_BASE() + /* Interrupt base for PL0 interrupts */ + unsigned long interrupt_vector_base; +#endif +#if CHIP_HAS_TILE_RTF_HWM() + /* Tile cache retry fifo high-water mark */ + unsigned long tile_rtf_hwm; +#endif +#if CHIP_HAS_DSTREAM_PF() + /* Data stream prefetch control */ + unsigned long dstream_pf; +#endif #ifdef CONFIG_HARDWALL /* Is this task tied to an activated hardwall? */ struct hardwall_info *hardwall; |