TI中文支持网各位前輩好:
小弟最近移值官網的HDK BootLoader Sample Code 到keil C 開發環境，在linker 檔遇到問題，問題如下:
下面是CCS bl_link.cmd 資料
–retain="*(.intvecs)"
MEMORY
{
VECTORS (X) : origin=0x00000000 length=0x00000020
FLASH_API (RX) : origin=0x00000020 length=0x000014E0
FLASH0 (RX) : origin=0x00001500 length=0x002FEB00 //LS31x Flash size is 0x300000
SRAM (RW) : origin=0x08002000 length=0x0002D000
STACK (RW) : origin=0x08000000 length=0x00002000
}
SECTIONS
{
.intvecs : {} > VECTORS
flashAPI :
{
..\Debug\Fapi_UserDefinedFunctions.obj (.text)
..\Debug\bl_flash.obj (.text)
–library= I:\CCS_Test\SafetyMCU_Bootloader\lib\F021_API_CortexR4_LE.lib < FlashStateMachine.IssueFsmCommand.obj
FlashStateMachine.SetActiveBank.obj
FlashStateMachine.InitializeFlashBanks.obj
FlashStateMachine.EnableMainSectors.obj
FlashStateMachine.IssueFsmCommand.obj
FlashStateMachine.ScaleFclk.obj
Init.obj
Utilities.CalculateEcc.obj
Utilities.WaitDelay.obj
Utilities.CalculateFletcher.obj
Read.MarginByByte.obj
Read.Common.obj
Read.FlushPipeline.obj
Read.WdService.obj
Async.WithAddress.obj
Program.obj > (.text)
} load = FLASH_API, run = SRAM, LOAD_START(api_load), RUN_START(api_run), SIZE(api_size)
.text > FLASH0
.const > FLASH0
.cinit > FLASH0
.pinit > FLASH0
.data > SRAM
.bss > SRAM
}
SECTIONS的這段code該怎麼移值到keil C 的，目前下面是我的設定，不過SECTIONS部份還沒辦法移值過來，compiler 出來的map檔跟CCS在FLASH_API段不一樣。
FLASH 0x00000000 0x00300000
{
VECTORS 0x00000000 0x00000020 {
*.o (intvecs, +First)
}
FLASH_API 0x00000020 0x000044E0 {
*(+RO) }
FLASH0 0x00004500 0x002FEB00
{
.ANY2 (+RO)
}
SRAM 0x08002000 0x0002D000
{
*.o (.data, +ZI +RW)*.o (.bss) .ANY (+ZI +RW) }
STACK 0x08000000 0x00002000
{ .ANY (+RW)
}
}
有沒有人有這方面的經驗可以分享的，謝謝!
gaoyang9992006：
不清楚，不知道他们的编译器通用不通用。并不是所有的都通用的。比如编译51Keil编译器，就跟编译ARM的keil编译器不同。还是按照官方指定的开发工具做吧
Felix2：
回复 gaoyang9992006:
有人知道下面這三段code在做什麼?
/* initalise copy table */ if ((unsigned *)&__binit__ != (unsigned *)0xFFFFFFFF) { extern void copy_in(void *binit); copy_in((void *)&__binit__); }
/* initalise the C global variables */ if (&__TI_Handler_Table_Base < &__TI_Handler_Table_Limit) { unsigned char **tablePtr = (unsigned char **)&__TI_CINIT_Base; unsigned char **tableLimit = (unsigned char **)&__TI_CINIT_Limit;
while (tablePtr < tableLimit) { unsigned char *loadAdr = *tablePtr++; unsigned char *runAdr = *tablePtr++; unsigned char idx = *loadAdr++; handler_fptr handler = (handler_fptr)(&__TI_Handler_Table_Base)[idx];
(*handler)((const unsigned char *)loadAdr, runAdr); } }
/* initalise contructors */ if (__TI_PINIT_Base < __TI_PINIT_Limit) { void (**p0)() = (void *)__TI_PINIT_Base;
while ((unsigned)p0 < __TI_PINIT_Limit) { void (*p)() = *p0++; p(); } }
————————————————————————-
/* initalise the C global variables */if (&__TI_Handler_Table_Base < &__TI_Handler_Table_Limit){ unsigned char **tablePtr = (unsigned char **)&__TI_CINIT_Base; unsigned char **tableLimit = (unsigned char **)&__TI_CINIT_Limit;
while (tablePtr < tableLimit) { unsigned char *loadAdr = *tablePtr++; unsigned char *runAdr = *tablePtr++; unsigned char idx = *loadAdr++; handler_fptr handler = (handler_fptr)(&__TI_Handler_Table_Base)[idx];
(*handler)((const unsigned char *)loadAdr, runAdr); }}
這段code還會跑copy_decompress_lzss.c的下面這段code
/*****************************************************************************/
/* */
/* __TI_DECOMPRESS_LZSS() – Decompress data encoded using LZSS encoding. */
/* Input buffer (inbuf) has the encoded data and */
/* uncompressed data is returned in outbuf. */
/* */
/*****************************************************************************/
__attribute__((section(".text:decompress:lzss")))
void __TI_decompress_lzss(pointer_to_const_t inbuf, pointer_t outbuf)
{
while (1)
{
flags_t flags = READ_CHAR_ADV(inbuf);
int i;
for (i=0; i<CHAR_BIT ; i++)
{
if (flags & 0x1)
{
/*—————————————————————*/
/* We have an uncoded byte, just write it out. */
/*—————————————————————*/
WRITE_CHAR_ADV(outbuf, READ_CHAR_ADV(inbuf));
}
else
{
/*—————————————————————*/
/* Read and unpack the offset and length */
/*—————————————————————*/
offset_t offset;
length_t length;
#if CHAR_BIT == 8
offset = READ_CHAR_ADV(inbuf);
length = READ_CHAR_ADV(inbuf);
offset <<= 4;
offset |= ((length & 0x00F0) >> 4);
length = (length & 0x000F) + 3;
/*—————————————————————*/
/* If the length is 3->17, we only use 4 bits. If the length is */
/* >= 18, we read an additional 8 bits and add it to the length. */
/* */
/* If the msb of the second byte is 1, we read an additional */
/* 8 bits and use that for bits 7-14 of the length. This gives */
/* us a range of 3->32785. */
/*—————————————————————*/
if (length == 18)
{
length_t length2 = READ_CHAR_ADV(inbuf);
if (length2 & 0x80)
{
length_t length3 = READ_CHAR_ADV(inbuf);
length2 = (length2 & 0x7f) | (length3 << 7);
}
length += length2;
}
#elif CHAR_BIT == 16
unsigned char temp = READ_CHAR_ADV(inbuf);
length = (temp & 0xf) + 2;
offset = temp >> 4;
/*—————————————————————*/
/* If the length is the maximum value encoded in 4 bits, read an */
/* additional 16-bit value and add it to the length. */
/*—————————————————————*/
if (length == 17)
length += READ_CHAR_ADV(inbuf);
#endif
/*—————————————————————*/
/* If the offset indicates end of data, exit. */
/*—————————————————————*/
if (offset == LZSS_EOD)
return;
/*—————————————————————*/
/* Copy the decoded string from sliding window to output buffer. */
/*—————————————————————*/
length_t j;
pointer_t pos = outbuf – offset – 1;
for (j = 0; j < length; j++)
WRITE_CHAR_ADV(outbuf, READ_CHAR_ADV(pos));
}
flags >>= 1;
}
}
}
