openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

sh: Add 32-bit opcode feature CPU flag. 

Add a CPU flag for the CPUs that support 32-bit opcodes, which
gets passed down to userspace.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2007-05-08 15:45:33 +09:00 committed by Paul Mundt
parent 53f983a90d
commit 074f98df05
3 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/sh/kernel/cpu/sh2a/probe.c
View File

@ -18,6 +18,7 @@ int __init detect_cpu_and_cache_system(void)
{
/* Just SH7206 for now .. */
current_cpu_data.type = CPU_SH7206;
current_cpu_data.flags |= CPU_HAS_OP32;
current_cpu_data.dcache.ways = 4;
current_cpu_data.dcache.way_incr = (1 << 11);

2
arch/sh/kernel/setup.c
View File

@ -431,7 +431,7 @@ const char *get_cpu_subtype(struct sh_cpuinfo *c)
/* Symbolic CPU flags, keep in sync with asm/cpu-features.h */
static const char *cpu_flags[] = {
"none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr",
"ptea", "llsc", "l2", NULL
"ptea", "llsc", "l2", "op32", NULL
};
static void show_cpuflags(struct seq_file *m, struct sh_cpuinfo *c)

1
include/asm-sh/cpu-features.h
View File

@ -20,5 +20,6 @@
#define CPU_HAS_PTEA 0x0020 /* PTEA register */
#define CPU_HAS_LLSC 0x0040 /* movli.l/movco.l */
#define CPU_HAS_L2_CACHE 0x0080 /* Secondary cache / URAM */
#define CPU_HAS_OP32 0x0100 /* 32-bit instruction support */
#endif /* __ASM_SH_CPU_FEATURES_H */