//
//
//----------------------------------------------------------------------------
+#include <linux/cache.h>
#include <asm/types.h>
+#include <asm/mmu.h>
+/* The Hypervisor barfs if the lppaca crosses a page boundary. A 1k
+ * alignment is sufficient to prevent this */
struct lppaca {
//=============================================================================
// CACHE_LINE_1 0x0000 - 0x007F Contains read-only data
u64 saved_gpr5; // Saved GPR5 x30-x37
u8 reserved4; // Reserved x38-x38
- u8 cpuctls_task_attrs; // Task attributes for cpuctls x39-x39
+ u8 donate_dedicated_cpu; // Donate dedicated CPU cycles x39-x39
u8 fpregs_in_use; // FP regs in use x3A-x3A
u8 pmcregs_in_use; // PMC regs in use x3B-x3B
volatile u32 saved_decr; // Saved Decr Value x3C-x3F
//=============================================================================
-// CACHE_LINE_3 0x0100 - 0x007F: This line is shared with other processors
+// CACHE_LINE_3 0x0100 - 0x017F: This line is shared with other processors
//=============================================================================
// This is the yield_count. An "odd" value (low bit on) means that
// the processor is yielded (either because of an OS yield or a PLIC
u8 reserved6[124]; // Reserved x04-x7F
//=============================================================================
-// CACHE_LINE_4-5 0x0100 - 0x01FF Contains PMC interrupt data
+// CACHE_LINE_4-5 0x0180 - 0x027F Contains PMC interrupt data
//=============================================================================
u8 pmc_save_area[256]; // PMC interrupt Area x00-xFF
-};
+} __attribute__((__aligned__(0x400)));
+
+extern struct lppaca lppaca[];
+
+/*
+ * SLB shadow buffer structure as defined in the PAPR. The save_area
+ * contains adjacent ESID and VSID pairs for each shadowed SLB. The
+ * ESID is stored in the lower 64bits, then the VSID.
+ */
+struct slb_shadow {
+ u32 persistent; // Number of persistent SLBs x00-x03
+ u32 buffer_length; // Total shadow buffer length x04-x07
+ u64 reserved; // Alignment x08-x0f
+ struct {
+ u64 esid;
+ u64 vsid;
+ } save_area[SLB_NUM_BOLTED]; // x10-x40
+} ____cacheline_aligned;
+
+extern struct slb_shadow slb_shadow[];
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_LPPACA_H */