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Get the correct time
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parent
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2
Makefile
2
Makefile
@ -61,7 +61,7 @@ INCLUDES := source
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#---------------------------------------------------------------------------------
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CFLAGS = -g -ggdb -O3 -Wall -Wno-multichar -Wno-unused-parameter -Wextra $(MACHDEP) $(INCLUDE) -D_GNU_SOURCE
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CXXFLAGS = $(CFLAGS)
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LDFLAGS = -g -ggdb $(MACHDEP) -Wl,-Map,$(notdir $@).map,--section-start,.init=0x80B00000,-wrap,malloc,-wrap,free,-wrap,memalign,-wrap,calloc,-wrap,realloc,-wrap,malloc_usable_size
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LDFLAGS = -g -ggdb $(MACHDEP) -Wl,-Map,$(notdir $@).map,--section-start,.init=0x80B00000,-wrap,malloc,-wrap,free,-wrap,memalign,-wrap,calloc,-wrap,realloc,-wrap,malloc_usable_size,-wrap,time
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ifeq ($(BUILDMODE),channel)
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CFLAGS += -DFULLCHANNEL
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96
source/utils/time.c
Normal file
96
source/utils/time.c
Normal file
@ -0,0 +1,96 @@
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/*
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Time functions were changed within libogc in 2018.
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Since then some Wii systems return the incorrect time.
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*/
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#include <ogc/conf.h>
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#include <ogc/exi.h>
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#include <time.h>
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static u32 getrtc(u32 *gctime)
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{
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u32 ret = 0, time = 0, cmd = 0x20000000;
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if (EXI_Lock(EXI_CHANNEL_0, EXI_DEVICE_1, NULL) == 0)
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return 0;
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if (EXI_Select(EXI_CHANNEL_0, EXI_DEVICE_1, EXI_SPEED8MHZ) == 0)
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{
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EXI_Unlock(EXI_CHANNEL_0);
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return 0;
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}
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if (EXI_Imm(EXI_CHANNEL_0, &cmd, 4, EXI_WRITE, NULL) == 0)
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ret |= 0x01;
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if (EXI_Sync(EXI_CHANNEL_0) == 0)
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ret |= 0x02;
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if (EXI_Imm(EXI_CHANNEL_0, &time, 4, EXI_READ, NULL) == 0)
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ret |= 0x04;
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if (EXI_Sync(EXI_CHANNEL_0) == 0)
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ret |= 0x08;
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if (EXI_Deselect(EXI_CHANNEL_0) == 0)
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ret |= 0x10;
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EXI_Unlock(EXI_CHANNEL_0);
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*gctime = time;
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if (ret)
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return 0;
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return 1;
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}
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u32 SYS_GetRTC(u32 *gctime)
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{
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u32 cnt = 0, ret = 0;
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u32 time1, time2;
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while (cnt < 16)
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{
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if (getrtc(&time1) == 0)
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ret |= 0x01;
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if (getrtc(&time2) == 0)
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ret |= 0x02;
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if (ret)
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return 0;
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if (time1 == time2)
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{
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*gctime = time1;
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return 1;
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}
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cnt++;
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}
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return 0;
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}
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time_t __wrap_time(time_t *timer)
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{
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u32 gctime = 0, bias = 0;
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if (SYS_GetRTC((u32 *)&gctime) == 0)
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return (time_t)0;
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if (CONF_GetCounterBias(&bias) >= 0)
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gctime += bias;
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gctime += 946684800;
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if (timer)
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*timer = gctime;
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return gctime;
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}
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/*
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// This function returns the wrong time on a Brazilian Wii (4.3U)
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// Reported by Walwii @ GBAtemp.net
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time_t __wrap_time(time_t *timer)
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{
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time_t gctime;
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u32 rtctime = 0, bias = 0;
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if (SYS_GetRTC(&rtctime) == 0)
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return (time_t)0;
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gctime = rtctime;
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if (CONF_GetCounterBias(&bias) >= 0)
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gctime += bias;
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gctime += 946684800;
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if (timer)
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*timer = gctime;
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return gctime;
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}
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*/
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