typedef struct {
/* Dcache line 1 */
unsigned int __softirq_pending; /* must be 1st, see rtrap.S */
- unsigned int multiplier;
- unsigned int counter;
- unsigned int idle_volume;
+ unsigned int __pad0;
unsigned long clock_tick; /* %tick's per second */
- unsigned long udelay_val;
+ unsigned long __pad;
+ unsigned int __pad1;
+ unsigned int __pad2;
/* Dcache line 2, rarely used */
unsigned int dcache_size;
unsigned int icache_line_size;
unsigned int ecache_size;
unsigned int ecache_line_size;
- unsigned int __pad3;
- unsigned int __pad4;
+ int core_id;
+ int proc_id;
} cpuinfo_sparc;
DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);
*/
struct thread_info;
struct trap_per_cpu {
-/* D-cache line 1 */
+/* D-cache line 1: Basic thread information, cpu and device mondo queues */
struct thread_info *thread;
unsigned long pgd_paddr;
- unsigned long __pad1[2];
+ unsigned long cpu_mondo_pa;
+ unsigned long dev_mondo_pa;
-/* D-cache line 2 */
- unsigned long __pad2[4];
+/* D-cache line 2: Error Mondo Queue and kernel buffer pointers */
+ unsigned long resum_mondo_pa;
+ unsigned long resum_kernel_buf_pa;
+ unsigned long nonresum_mondo_pa;
+ unsigned long nonresum_kernel_buf_pa;
-/* Dcache lines 3 and 4 */
+/* Dcache lines 3, 4, 5, and 6: Hypervisor Fault Status */
struct hv_fault_status fault_info;
+
+/* Dcache line 7: Physical addresses of CPU send mondo block and CPU list. */
+ unsigned long cpu_mondo_block_pa;
+ unsigned long cpu_list_pa;
+ unsigned long tsb_huge;
+ unsigned long tsb_huge_temp;
+
+/* Dcache line 8: IRQ work list, and keep trap_block a power-of-2 in size. */
+ unsigned long irq_worklist_pa;
+ unsigned int cpu_mondo_qmask;
+ unsigned int dev_mondo_qmask;
+ unsigned int resum_qmask;
+ unsigned int nonresum_qmask;
+ void *hdesc;
} __attribute__((aligned(64)));
extern struct trap_per_cpu trap_block[NR_CPUS];
-extern void init_cur_cpu_trap(void);
+extern void init_cur_cpu_trap(struct thread_info *);
extern void setup_tba(void);
+extern int ncpus_probed;
+
+extern unsigned long real_hard_smp_processor_id(void);
-#ifdef CONFIG_SMP
struct cpuid_patch_entry {
unsigned int addr;
unsigned int cheetah_safari[4];
unsigned int sun4v[4];
};
extern struct cpuid_patch_entry __cpuid_patch, __cpuid_patch_end;
-#endif
struct sun4v_1insn_patch_entry {
unsigned int addr;
#endif /* !(__ASSEMBLY__) */
-#define TRAP_PER_CPU_THREAD 0x00
-#define TRAP_PER_CPU_PGD_PADDR 0x08
-#define TRAP_PER_CPU_FAULT_INFO 0x20
-
-#define TRAP_BLOCK_SZ_SHIFT 7
+#define TRAP_PER_CPU_THREAD 0x00
+#define TRAP_PER_CPU_PGD_PADDR 0x08
+#define TRAP_PER_CPU_CPU_MONDO_PA 0x10
+#define TRAP_PER_CPU_DEV_MONDO_PA 0x18
+#define TRAP_PER_CPU_RESUM_MONDO_PA 0x20
+#define TRAP_PER_CPU_RESUM_KBUF_PA 0x28
+#define TRAP_PER_CPU_NONRESUM_MONDO_PA 0x30
+#define TRAP_PER_CPU_NONRESUM_KBUF_PA 0x38
+#define TRAP_PER_CPU_FAULT_INFO 0x40
+#define TRAP_PER_CPU_CPU_MONDO_BLOCK_PA 0xc0
+#define TRAP_PER_CPU_CPU_LIST_PA 0xc8
+#define TRAP_PER_CPU_TSB_HUGE 0xd0
+#define TRAP_PER_CPU_TSB_HUGE_TEMP 0xd8
+#define TRAP_PER_CPU_IRQ_WORKLIST_PA 0xe0
+#define TRAP_PER_CPU_CPU_MONDO_QMASK 0xe8
+#define TRAP_PER_CPU_DEV_MONDO_QMASK 0xec
+#define TRAP_PER_CPU_RESUM_QMASK 0xf0
+#define TRAP_PER_CPU_NONRESUM_QMASK 0xf4
+
+#define TRAP_BLOCK_SZ_SHIFT 8
#include <asm/scratchpad.h>
-#ifdef CONFIG_SMP
-
#define __GET_CPUID(REG) \
/* Spitfire implementation (default). */ \
661: ldxa [%g0] ASI_UPA_CONFIG, REG; \
nop; \
.previous;
-/* Clobbers TMP, current address space PGD phys address into DEST. */
-#define TRAP_LOAD_PGD_PHYS(DEST, TMP) \
+#ifdef CONFIG_SMP
+
+#define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
__GET_CPUID(TMP) \
sethi %hi(trap_block), DEST; \
sllx TMP, TRAP_BLOCK_SZ_SHIFT, TMP; \
or DEST, %lo(trap_block), DEST; \
add DEST, TMP, DEST; \
+
+/* Clobbers TMP, current address space PGD phys address into DEST. */
+#define TRAP_LOAD_PGD_PHYS(DEST, TMP) \
+ TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST;
/* Clobbers TMP, loads local processor's IRQ work area into DEST. */
-#define TRAP_LOAD_IRQ_WORK(DEST, TMP) \
- __GET_CPUID(TMP) \
- sethi %hi(__irq_work), DEST; \
- sllx TMP, 6, TMP; \
- or DEST, %lo(__irq_work), DEST; \
- add DEST, TMP, DEST;
+#define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \
+ TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
+ add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST;
/* Clobbers TMP, loads DEST with current thread info pointer. */
#define TRAP_LOAD_THREAD_REG(DEST, TMP) \
- __GET_CPUID(TMP) \
- sethi %hi(trap_block), DEST; \
- sllx TMP, TRAP_BLOCK_SZ_SHIFT, TMP; \
- or DEST, %lo(trap_block), DEST; \
- ldx [DEST + TMP], DEST;
+ TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
+ ldx [DEST + TRAP_PER_CPU_THREAD], DEST;
/* Given the current thread info pointer in THR, load the per-cpu
* area base of the current processor into DEST. REG1, REG2, and REG3 are
* the calculations done by the macro mid-stream.
*/
#define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3) \
- ldub [THR + TI_CPU], REG1; \
+ lduh [THR + TI_CPU], REG1; \
sethi %hi(__per_cpu_shift), REG3; \
sethi %hi(__per_cpu_base), REG2; \
ldx [REG3 + %lo(__per_cpu_shift)], REG3; \
#else
-/* Uniprocessor versions, we know the cpuid is zero. */
-#define TRAP_LOAD_PGD_PHYS(DEST, TMP) \
+#define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
sethi %hi(trap_block), DEST; \
or DEST, %lo(trap_block), DEST; \
+
+/* Uniprocessor versions, we know the cpuid is zero. */
+#define TRAP_LOAD_PGD_PHYS(DEST, TMP) \
+ TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST;
-#define TRAP_LOAD_IRQ_WORK(DEST, TMP) \
- sethi %hi(__irq_work), DEST; \
- or DEST, %lo(__irq_work), DEST;
+/* Clobbers TMP, loads local processor's IRQ work area into DEST. */
+#define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \
+ TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
+ add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST;
#define TRAP_LOAD_THREAD_REG(DEST, TMP) \
- sethi %hi(trap_block), DEST; \
- ldx [DEST + %lo(trap_block)], DEST;
+ TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \
+ ldx [DEST + TRAP_PER_CPU_THREAD], DEST;
/* No per-cpu areas on uniprocessor, so no need to load DEST. */
#define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff