TWxSoftware/twx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sh: SH-2A FPU support.

Browse Source 
Signed-off-by: Kieran Bingham <kbingham@mpc-data.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2007-11-26 20:38:36 +09:00
parent a8f67f4b4d
commit 74d99a5e26
11 changed files with 673 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/sh/kernel/traps_32.c
+4 -9
View File
@@ -662,11 +662,6 @@ asmlinkage void do_divide_error(unsigned long r4, unsigned long r5,
}
#endif
/* arch/sh/kernel/cpu/sh4/fpu.c */
extern int do_fpu_inst(unsigned short, struct pt_regs *);
extern asmlinkage void do_fpu_state_restore(unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7, struct pt_regs __regs);
asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7,
struct pt_regs __regs)
@@ -853,11 +848,11 @@ void __init trap_init(void)
set_exception_table_evt(0x820, do_illegal_slot_inst);
#elif defined(CONFIG_SH_FPU)
#ifdef CONFIG_CPU_SUBTYPE_SHX3
set_exception_table_evt(0xd80, do_fpu_state_restore);
set_exception_table_evt(0xda0, do_fpu_state_restore);
set_exception_table_evt(0xd80, fpu_state_restore_trap_handler);
set_exception_table_evt(0xda0, fpu_state_restore_trap_handler);
#else
set_exception_table_evt(0x800, do_fpu_state_restore);
set_exception_table_evt(0x820, do_fpu_state_restore);
set_exception_table_evt(0x800, fpu_state_restore_trap_handler);
set_exception_table_evt(0x820, fpu_state_restore_trap_handler);
#endif
#endif