diff options
Diffstat (limited to 'arch/tile/include/asm')
| -rw-r--r-- | arch/tile/include/asm/processor.h | 7 | ||||
| -rw-r--r-- | arch/tile/include/asm/ptrace.h | 3 | ||||
| -rw-r--r-- | arch/tile/include/asm/sections.h | 4 | ||||
| -rw-r--r-- | arch/tile/include/asm/thread_info.h | 6 | ||||
| -rw-r--r-- | arch/tile/include/asm/traps.h | 11 |
5 files changed, 28 insertions, 3 deletions
diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h index b3f104953da2..cda27243fb09 100644 --- a/arch/tile/include/asm/processor.h +++ b/arch/tile/include/asm/processor.h @@ -247,6 +247,13 @@ unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(task) task_pc(task) #define KSTK_ESP(task) task_sp(task) +/* Fine-grained unaligned JIT support */ +#define GET_UNALIGN_CTL(tsk, adr) get_unalign_ctl((tsk), (adr)) +#define SET_UNALIGN_CTL(tsk, val) set_unalign_ctl((tsk), (val)) + +extern int get_unalign_ctl(struct task_struct *tsk, unsigned long adr); +extern int set_unalign_ctl(struct task_struct *tsk, unsigned int val); + /* Standard format for printing registers and other word-size data. */ #ifdef __tilegx__ # define REGFMT "0x%016lx" diff --git a/arch/tile/include/asm/ptrace.h b/arch/tile/include/asm/ptrace.h index fd412260aff7..73b681b566f7 100644 --- a/arch/tile/include/asm/ptrace.h +++ b/arch/tile/include/asm/ptrace.h @@ -79,8 +79,7 @@ extern void single_step_execve(void); struct task_struct; -extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, - int error_code); +extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs); #ifdef __tilegx__ /* We need this since sigval_t has a user pointer in it, for GETSIGINFO etc. */ diff --git a/arch/tile/include/asm/sections.h b/arch/tile/include/asm/sections.h index 7d8a935a9238..cc95276ef9c9 100644 --- a/arch/tile/include/asm/sections.h +++ b/arch/tile/include/asm/sections.h @@ -28,7 +28,9 @@ extern char __w1data_begin[], __w1data_end[]; /* Not exactly sections, but PC comparison points in the code. */ extern char __rt_sigreturn[], __rt_sigreturn_end[]; -#ifndef __tilegx__ +#ifdef __tilegx__ +extern char __start_unalign_asm_code[], __end_unalign_asm_code[]; +#else extern char sys_cmpxchg[], __sys_cmpxchg_end[]; extern char __sys_cmpxchg_grab_lock[]; extern char __start_atomic_asm_code[], __end_atomic_asm_code[]; diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h index d1733dee98a2..b8aa6df3e102 100644 --- a/arch/tile/include/asm/thread_info.h +++ b/arch/tile/include/asm/thread_info.h @@ -39,6 +39,11 @@ struct thread_info { struct restart_block restart_block; struct single_step_state *step_state; /* single step state (if non-zero) */ + int align_ctl; /* controls unaligned access */ +#ifdef __tilegx__ + unsigned long unalign_jit_tmp[4]; /* temp r0..r3 storage */ + void __user *unalign_jit_base; /* unalign fixup JIT base */ +#endif }; /* @@ -56,6 +61,7 @@ struct thread_info { .fn = do_no_restart_syscall, \ }, \ .step_state = NULL, \ + .align_ctl = 0, \ } #define init_thread_info (init_thread_union.thread_info) diff --git a/arch/tile/include/asm/traps.h b/arch/tile/include/asm/traps.h index e28c3df4176a..5f172b2403a6 100644 --- a/arch/tile/include/asm/traps.h +++ b/arch/tile/include/asm/traps.h @@ -15,6 +15,7 @@ #ifndef _ASM_TILE_TRAPS_H #define _ASM_TILE_TRAPS_H +#ifndef __ASSEMBLY__ #include <arch/chip.h> /* mm/fault.c */ @@ -69,6 +70,16 @@ void gx_singlestep_handle(struct pt_regs *, int fault_num); /* kernel/intvec_64.S */ void fill_ra_stack(void); + +/* Handle unalign data fixup. */ +extern void do_unaligned(struct pt_regs *regs, int vecnum); +#endif + +#endif /* __ASSEMBLY__ */ + +#ifdef __tilegx__ +/* 128 byte JIT per unalign fixup. */ +#define UNALIGN_JIT_SHIFT 7 #endif #endif /* _ASM_TILE_TRAPS_H */ |
