diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2014-04-16 02:46:11 +0200 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2014-05-21 11:12:55 +0200 |
commit | 85c51c511d6373d4bc859458fd3f130015db31a5 (patch) | |
tree | c0b1076aba628760c3a9da5c46b818d2158634ad /arch/mips | |
parent | 6d18b6246d2bfb9da2d342553e41565e14422089 (diff) |
MIPS: math-emu: Move all debug fs code to a separate file.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r-- | arch/mips/math-emu/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/math-emu/cp1emu.c | 57 | ||||
-rw-r--r-- | arch/mips/math-emu/me-debugfs.c | 59 |
3 files changed, 62 insertions, 56 deletions
diff --git a/arch/mips/math-emu/Makefile b/arch/mips/math-emu/Makefile index 121a848a359..0803970dfc1 100644 --- a/arch/mips/math-emu/Makefile +++ b/arch/mips/math-emu/Makefile @@ -9,3 +9,5 @@ obj-y := cp1emu.o ieee754m.o ieee754d.o ieee754dp.o ieee754sp.o ieee754.o \ sp_div.o sp_mul.o sp_sub.o sp_add.o sp_fdp.o sp_cmp.o sp_logb.o \ sp_scalb.o sp_simple.o sp_tint.o sp_fint.o sp_tlong.o sp_flong.o \ dp_sqrt.o sp_sqrt.o kernel_linkage.o dsemul.o + +obj-$(CONFIG_DEBUG_FS) += me-debugfs.o diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 3ef9d99a729..c4b855e7b0e 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -35,6 +35,7 @@ */ #include <linux/sched.h> #include <linux/debugfs.h> +#include <linux/percpu-defs.h> #include <linux/perf_event.h> #include <asm/branch.h> @@ -66,12 +67,6 @@ static int fpux_emu(struct pt_regs *, struct mips_fpu_struct *, mips_instruction, void *__user *); #endif -/* Further private data for which no space exists in mips_fpu_struct */ - -#ifdef CONFIG_DEBUG_FS -DEFINE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats); -#endif - /* Control registers */ #define FPCREG_RID 0 /* $0 = revision id */ @@ -2158,53 +2153,3 @@ int fpu_emulator_cop1Handler(struct pt_regs *xcp, struct mips_fpu_struct *ctx, return sig; } - -#ifdef CONFIG_DEBUG_FS - -static int fpuemu_stat_get(void *data, u64 *val) -{ - int cpu; - unsigned long sum = 0; - for_each_online_cpu(cpu) { - struct mips_fpu_emulator_stats *ps; - local_t *pv; - ps = &per_cpu(fpuemustats, cpu); - pv = (void *)ps + (unsigned long)data; - sum += local_read(pv); - } - *val = sum; - return 0; -} -DEFINE_SIMPLE_ATTRIBUTE(fops_fpuemu_stat, fpuemu_stat_get, NULL, "%llu\n"); - -extern struct dentry *mips_debugfs_dir; -static int __init debugfs_fpuemu(void) -{ - struct dentry *d, *dir; - - if (!mips_debugfs_dir) - return -ENODEV; - dir = debugfs_create_dir("fpuemustats", mips_debugfs_dir); - if (!dir) - return -ENOMEM; - -#define FPU_STAT_CREATE(M) \ - do { \ - d = debugfs_create_file(#M , S_IRUGO, dir, \ - (void *)offsetof(struct mips_fpu_emulator_stats, M), \ - &fops_fpuemu_stat); \ - if (!d) \ - return -ENOMEM; \ - } while (0) - - FPU_STAT_CREATE(emulated); - FPU_STAT_CREATE(loads); - FPU_STAT_CREATE(stores); - FPU_STAT_CREATE(cp1ops); - FPU_STAT_CREATE(cp1xops); - FPU_STAT_CREATE(errors); - - return 0; -} -__initcall(debugfs_fpuemu); -#endif diff --git a/arch/mips/math-emu/me-debugfs.c b/arch/mips/math-emu/me-debugfs.c new file mode 100644 index 00000000000..d895b38773d --- /dev/null +++ b/arch/mips/math-emu/me-debugfs.c @@ -0,0 +1,59 @@ +#include <linux/cpumask.h> +#include <linux/debugfs.h> +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/percpu.h> +#include <linux/types.h> +#include <asm/fpu_emulator.h> +#include <asm/local.h> + +DEFINE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats); + +static int fpuemu_stat_get(void *data, u64 *val) +{ + int cpu; + unsigned long sum = 0; + + for_each_online_cpu(cpu) { + struct mips_fpu_emulator_stats *ps; + local_t *pv; + + ps = &per_cpu(fpuemustats, cpu); + pv = (void *)ps + (unsigned long)data; + sum += local_read(pv); + } + *val = sum; + return 0; +} +DEFINE_SIMPLE_ATTRIBUTE(fops_fpuemu_stat, fpuemu_stat_get, NULL, "%llu\n"); + +extern struct dentry *mips_debugfs_dir; +static int __init debugfs_fpuemu(void) +{ + struct dentry *d, *dir; + + if (!mips_debugfs_dir) + return -ENODEV; + dir = debugfs_create_dir("fpuemustats", mips_debugfs_dir); + if (!dir) + return -ENOMEM; + +#define FPU_STAT_CREATE(M) \ + do { \ + d = debugfs_create_file(#M , S_IRUGO, dir, \ + (void *)offsetof(struct mips_fpu_emulator_stats, M), \ + &fops_fpuemu_stat); \ + if (!d) \ + return -ENOMEM; \ + } while (0) + + FPU_STAT_CREATE(emulated); + FPU_STAT_CREATE(loads); + FPU_STAT_CREATE(stores); + FPU_STAT_CREATE(cp1ops); + FPU_STAT_CREATE(cp1xops); + FPU_STAT_CREATE(errors); + + return 0; +} +__initcall(debugfs_fpuemu); |