diff options
Diffstat (limited to 'arch/powerpc/kernel/vdso32/gettimeofday.S')
-rw-r--r-- | arch/powerpc/kernel/vdso32/gettimeofday.S | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S index 4ee09ee2e836..27e2f623210b 100644 --- a/arch/powerpc/kernel/vdso32/gettimeofday.S +++ b/arch/powerpc/kernel/vdso32/gettimeofday.S | |||
@@ -181,6 +181,32 @@ V_FUNCTION_END(__kernel_clock_getres) | |||
181 | 181 | ||
182 | 182 | ||
183 | /* | 183 | /* |
184 | * Exact prototype of time() | ||
185 | * | ||
186 | * time_t time(time *t); | ||
187 | * | ||
188 | */ | ||
189 | V_FUNCTION_BEGIN(__kernel_time) | ||
190 | .cfi_startproc | ||
191 | mflr r12 | ||
192 | .cfi_register lr,r12 | ||
193 | |||
194 | mr r11,r3 /* r11 holds t */ | ||
195 | bl __get_datapage@local | ||
196 | mr r9, r3 /* datapage ptr in r9 */ | ||
197 | |||
198 | lwz r3,STAMP_XTIME+TSPEC_TV_SEC(r9) | ||
199 | |||
200 | cmplwi r11,0 /* check if t is NULL */ | ||
201 | beq 2f | ||
202 | stw r3,0(r11) /* store result at *t */ | ||
203 | 2: mtlr r12 | ||
204 | crclr cr0*4+so | ||
205 | blr | ||
206 | .cfi_endproc | ||
207 | V_FUNCTION_END(__kernel_time) | ||
208 | |||
209 | /* | ||
184 | * This is the core of clock_gettime() and gettimeofday(), | 210 | * This is the core of clock_gettime() and gettimeofday(), |
185 | * it returns the current time in r3 (seconds) and r4. | 211 | * it returns the current time in r3 (seconds) and r4. |
186 | * On entry, r7 gives the resolution of r4, either USEC_PER_SEC | 212 | * On entry, r7 gives the resolution of r4, either USEC_PER_SEC |