| /* |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * Copyright (c) 2014 Imagination Technologies Ltd. |
| * Author: Markos Chandras <markos.chandras@imgtec.com> |
| */ |
| |
| #ifndef __ASM_MIPS_R2_TO_R6_EMUL_H |
| #define __ASM_MIPS_R2_TO_R6_EMUL_H |
| |
| struct mips_r2_emulator_stats { |
| u64 movs; |
| u64 hilo; |
| u64 muls; |
| u64 divs; |
| u64 dsps; |
| u64 bops; |
| u64 traps; |
| u64 fpus; |
| u64 loads; |
| u64 stores; |
| u64 llsc; |
| u64 dsemul; |
| }; |
| |
| struct mips_r2br_emulator_stats { |
| u64 jrs; |
| u64 bltzl; |
| u64 bgezl; |
| u64 bltzll; |
| u64 bgezll; |
| u64 bltzall; |
| u64 bgezall; |
| u64 bltzal; |
| u64 bgezal; |
| u64 beql; |
| u64 bnel; |
| u64 blezl; |
| u64 bgtzl; |
| }; |
| |
| #ifdef CONFIG_DEBUG_FS |
| |
| #define MIPS_R2_STATS(M) \ |
| do { \ |
| u32 nir; \ |
| int err; \ |
| \ |
| preempt_disable(); \ |
| __this_cpu_inc(mipsr2emustats.M); \ |
| err = __get_user(nir, (u32 __user *)regs->cp0_epc); \ |
| if (!err) { \ |
| if (nir == BREAK_MATH(0)) \ |
| __this_cpu_inc(mipsr2bdemustats.M); \ |
| } \ |
| preempt_enable(); \ |
| } while (0) |
| |
| #define MIPS_R2BR_STATS(M) \ |
| do { \ |
| preempt_disable(); \ |
| __this_cpu_inc(mipsr2bremustats.M); \ |
| preempt_enable(); \ |
| } while (0) |
| |
| #else |
| |
| #define MIPS_R2_STATS(M) do { } while (0) |
| #define MIPS_R2BR_STATS(M) do { } while (0) |
| |
| #endif /* CONFIG_DEBUG_FS */ |
| |
| struct r2_decoder_table { |
| u32 mask; |
| u32 code; |
| int (*func)(struct pt_regs *regs, u32 inst); |
| }; |
| |
| |
| extern void do_trap_or_bp(struct pt_regs *regs, unsigned int code, |
| const char *str); |
| |
| #ifndef CONFIG_MIPSR2_TO_R6_EMULATOR |
| static int mipsr2_emulation; |
| static inline int mipsr2_decoder(struct pt_regs *regs, u32 inst, |
| unsigned long *fcr31) |
| { |
| return 0; |
| }; |
| #else |
| /* MIPS R2 Emulator ON/OFF */ |
| extern int mipsr2_emulation; |
| extern int mipsr2_decoder(struct pt_regs *regs, u32 inst, |
| unsigned long *fcr31); |
| #endif /* CONFIG_MIPSR2_TO_R6_EMULATOR */ |
| |
| #define NO_R6EMU (cpu_has_mips_r6 && !mipsr2_emulation) |
| |
| #endif /* __ASM_MIPS_R2_TO_R6_EMUL_H */ |