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Added code for the cfg:nor service.

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yellows8 2014-04-22 16:13:18 -04:00
parent 06dfc9aace
commit c5250ab567
2 changed files with 125 additions and 0 deletions
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12
libctru/include/ctr/CFGNOR.h Normal file
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#ifndef CFGNOR_H
#define CFGNOR_H
Result CFGNOR_Initialize(u8 value);
Result CFGNOR_Shutdown();
Result CFGNOR_ReadData(u32 offset, u32 *buf, u32 size);
Result CFGNOR_WriteData(u32 offset, u32 *buf, u32 size);
Result CFGNOR_DumpFlash(u32 *buf, u32 size);
Result CFGNOR_WriteFlash(u32 *buf, u32 size);
#endif

113
libctru/source/CFGNOR.c Normal file
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#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <ctr/types.h>
#include <ctr/svc.h>
#include <ctr/srv.h>
#include <ctr/CFGNOR.h>
Handle CFGNOR_handle = 0;
Result CFGNOR_Initialize(u8 value)
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
ret = srv_getServiceHandle(NULL, &CFGNOR_handle, "cfg:nor");
if(ret!=0)return ret;
cmdbuf[0] = 0x00010040;
cmdbuf[1] = (u32)value;
if((ret = svc_sendSyncRequest(CFGNOR_handle))!=0)return ret;
ret = (Result)cmdbuf[1];
return ret;
}
Result CFGNOR_Shutdown()
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x00020000;
if((ret = svc_sendSyncRequest(CFGNOR_handle))!=0)return ret;
ret = (Result)cmdbuf[1];
svc_closeHandle(CFGNOR_handle);
CFGNOR_handle = 0;
return ret;
}
Result CFGNOR_ReadData(u32 offset, u32 *buf, u32 size)
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x00050082;
cmdbuf[1] = offset;
cmdbuf[2] = size;
cmdbuf[3] = (size<<4) | 12;
cmdbuf[4] = (u32)buf;
if((ret = svc_sendSyncRequest(CFGNOR_handle))!=0)return ret;
ret = (Result)cmdbuf[1];
return ret;
}
Result CFGNOR_WriteData(u32 offset, u32 *buf, u32 size)
{
u32 ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = 0x00060082;
cmdbuf[1] = offset;
cmdbuf[2] = size;
cmdbuf[3] = (size<<4) | 10;
cmdbuf[4] = (u32)buf;
if((ret = svc_sendSyncRequest(CFGNOR_handle))!=0)return ret;
ret = (Result)cmdbuf[1];
return ret;
}
Result CFGNOR_DumpFlash(u32 *buf, u32 size)
{
Result ret = 0;
u32 pos=0;
u32 chunksize = 0x100;
for(pos=0; pos<size; pos+=chunksize)
{
if(size-pos < chunksize)chunksize = size-pos;
ret = CFGNOR_ReadData(pos, &buf[pos>>2], chunksize);
if(ret!=0)break;
}
return ret;
}
Result CFGNOR_WriteFlash(u32 *buf, u32 size)
{
Result ret = 0;
u32 pos=0;
u32 chunksize = 0x100;
for(pos=0; pos<size; pos+=chunksize)
{
if(size-pos < chunksize)chunksize = size-pos;
ret = CFGNOR_WriteData(pos, &buf[pos>>2], chunksize);
if(ret!=0)break;
}
return ret;
}