static unsigned long empty_bad_page;
-unsigned long empty_zero_page;
+static unsigned long empty_zero_page;
-extern unsigned long exception_stack[NR_CPUS][1024];
+#ifndef CONFIG_EXCEPTION_L1_SCRATCH
+#if defined CONFIG_SYSCALL_TAB_L1
+__attribute__((l1_data))
+#endif
+static unsigned long exception_stack[NR_CPUS][1024];
+#endif
struct blackfin_pda cpu_pda[NR_CPUS];
EXPORT_SYMBOL(cpu_pda);
cpu_pda[0].next = &cpu_pda[1];
cpu_pda[1].next = &cpu_pda[0];
+#ifdef CONFIG_EXCEPTION_L1_SCRATCH
+ cpu_pda[cpu].ex_stack = (unsigned long *)(L1_SCRATCH_START + \
+ L1_SCRATCH_LENGTH);
+#else
cpu_pda[cpu].ex_stack = exception_stack[cpu + 1];
+#endif
#ifdef CONFIG_SMP
cpu_pda[cpu].imask = 0x1f;
#endif
}
-void __cpuinit reserve_pda(void)
-{
- printk(KERN_INFO "PDA for CPU%u reserved at %p\n", smp_processor_id(),
- &cpu_pda[smp_processor_id()]);
-}
-
void __init mem_init(void)
{
unsigned int codek = 0, datak = 0, initk = 0;
initk, codek, datak, DMA_UNCACHED_REGION >> 10, (reservedpages << (PAGE_SHIFT-10)));
}
-static int __init sram_init(void)
-{
- /* Initialize the blackfin L1 Memory. */
- bfin_sram_init();
-
- /* Reserve the PDA space for the boot CPU right after we
- * initialized the scratch memory allocator.
- */
- reserve_pda();
- return 0;
-}
-pure_initcall(sram_init);
-
static void __init free_init_pages(const char *what, unsigned long begin, unsigned long end)
{
unsigned long addr;