#ifndef __BFIN_ENTRY_H #define __BFIN_ENTRY_H #include <asm/setup.h> #include <asm/page.h> #ifdef __ASSEMBLY__ #define LFLUSH_I_AND_D 0x00000808 #define LSIGTRAP 5 /* process bits for task_struct.flags */ #define PF_TRACESYS_OFF 3 #define PF_TRACESYS_BIT 5 #define PF_PTRACED_OFF 3 #define PF_PTRACED_BIT 4 #define PF_DTRACE_OFF 1 #define PF_DTRACE_BIT 5 /* This one is used for exceptions, emulation, and NMI. It doesn't push RETI and doesn't do cli. */ #define SAVE_ALL_SYS save_context_no_interrupts /* This is used for all normal interrupts. It saves a minimum of registers to the stack, loads the IRQ number, and jumps to common code. */ #define INTERRUPT_ENTRY(N) \ [--sp] = SYSCFG; \ \ [--sp] = P0; /*orig_p0*/ \ [--sp] = R0; /*orig_r0*/ \ [--sp] = (R7:0,P5:0); \ R0 = (N); \ jump __common_int_entry; /* For timer interrupts, we need to save IPEND, since the user_mode macro accesses it to determine where to account time. */ #define TIMER_INTERRUPT_ENTRY(N) \ [--sp] = SYSCFG; \ \ [--sp] = P0; /*orig_p0*/ \ [--sp] = R0; /*orig_r0*/ \ [--sp] = (R7:0,P5:0); \ p0.l = lo(IPEND); \ p0.h = hi(IPEND); \ r1 = [p0]; \ R0 = (N); \ jump __common_int_entry; /* This one pushes RETI without using CLI. Interrupts are enabled. */ #define SAVE_CONTEXT_SYSCALL save_context_syscall #define SAVE_CONTEXT save_context_with_interrupts #define RESTORE_ALL_SYS restore_context_no_interrupts #define RESTORE_CONTEXT restore_context_with_interrupts #endif /* __ASSEMBLY__ */ #endif /* __BFIN_ENTRY_H */