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| author | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2023-08-14 12:18:06 +0100 |
|---|---|---|
| committer | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2023-08-14 12:18:06 +0100 |
| commit | f493fedcc3016e46ecbf7ab9490ba4762723efab (patch) | |
| tree | d1e8d745b81f1034700679e4bf26a9cdc2f00997 /arch/arm/include/asm | |
| parent | b0a6da43a510fdfff23fcda12f90fba37cab1c05 (diff) | |
| parent | 53ae158f6ddc14df5c44d62c06e33fdb66de1196 (diff) | |
Merge branch 'devel-stable' into for-next
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/thread_info.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index 7f092cb55a41..943ffcf069d2 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -40,6 +40,7 @@ struct task_struct; DECLARE_PER_CPU(struct task_struct *, __entry_task); #include <asm/types.h> +#include <asm/traps.h> struct cpu_context_save { __u32 r4; @@ -66,7 +67,6 @@ struct thread_info { __u32 cpu_domain; /* cpu domain */ struct cpu_context_save cpu_context; /* cpu context */ __u32 abi_syscall; /* ABI type and syscall nr */ - __u8 used_cp[16]; /* thread used copro */ unsigned long tp_value[2]; /* TLS registers */ union fp_state fpstate __attribute__((aligned(8))); union vfp_state vfpstate; @@ -105,6 +105,21 @@ extern void iwmmxt_task_restore(struct thread_info *, void *); extern void iwmmxt_task_release(struct thread_info *); extern void iwmmxt_task_switch(struct thread_info *); +extern int iwmmxt_undef_handler(struct pt_regs *, u32); + +static inline void register_iwmmxt_undef_handler(void) +{ + static struct undef_hook iwmmxt_undef_hook = { + .instr_mask = 0x0c000e00, + .instr_val = 0x0c000000, + .cpsr_mask = MODE_MASK | PSR_T_BIT, + .cpsr_val = USR_MODE, + .fn = iwmmxt_undef_handler, + }; + + register_undef_hook(&iwmmxt_undef_hook); +} + extern void vfp_sync_hwstate(struct thread_info *); extern void vfp_flush_hwstate(struct thread_info *); |