110 lines
1.9 KiB
C
110 lines
1.9 KiB
C
#include <stdlib.h>
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#include <3ds/types.h>
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#include <3ds/svc.h>
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#include <3ds/srv.h>
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#include <3ds/CFGNOR.h>
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Handle CFGNOR_handle = 0;
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Result CFGNOR_Initialize(u8 value)
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{
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Result ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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ret = srvGetServiceHandle(&CFGNOR_handle, "cfg:nor");
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if(ret!=0)return ret;
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cmdbuf[0] = 0x00010040;
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cmdbuf[1] = (u32)value;
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if((ret = svcSendSyncRequest(CFGNOR_handle))!=0)return ret;
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ret = (Result)cmdbuf[1];
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return ret;
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}
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Result CFGNOR_Shutdown()
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{
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Result ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = 0x00020000;
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if((ret = svcSendSyncRequest(CFGNOR_handle))!=0)return ret;
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ret = (Result)cmdbuf[1];
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svcCloseHandle(CFGNOR_handle);
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CFGNOR_handle = 0;
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return ret;
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}
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Result CFGNOR_ReadData(u32 offset, u32 *buf, u32 size)
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{
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Result ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = 0x00050082;
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cmdbuf[1] = offset;
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cmdbuf[2] = size;
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cmdbuf[3] = (size<<4) | 12;
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cmdbuf[4] = (u32)buf;
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if((ret = svcSendSyncRequest(CFGNOR_handle))!=0)return ret;
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ret = (Result)cmdbuf[1];
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return ret;
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}
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Result CFGNOR_WriteData(u32 offset, u32 *buf, u32 size)
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{
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u32 ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = 0x00060082;
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cmdbuf[1] = offset;
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cmdbuf[2] = size;
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cmdbuf[3] = (size<<4) | 10;
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cmdbuf[4] = (u32)buf;
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if((ret = svcSendSyncRequest(CFGNOR_handle))!=0)return ret;
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ret = (Result)cmdbuf[1];
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return ret;
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}
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Result CFGNOR_DumpFlash(u32 *buf, u32 size)
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{
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Result ret = 0;
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u32 pos=0;
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u32 chunksize = 0x100;
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for(pos=0; pos<size; pos+=chunksize)
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{
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if(size-pos < chunksize)chunksize = size-pos;
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ret = CFGNOR_ReadData(pos, &buf[pos>>2], chunksize);
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if(ret!=0)break;
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}
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return ret;
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}
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Result CFGNOR_WriteFlash(u32 *buf, u32 size)
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{
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Result ret = 0;
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u32 pos=0;
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u32 chunksize = 0x100;
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for(pos=0; pos<size; pos+=chunksize)
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{
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if(size-pos < chunksize)chunksize = size-pos;
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ret = CFGNOR_WriteData(pos, &buf[pos>>2], chunksize);
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if(ret!=0)break;
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}
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return ret;
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}
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