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- added switch EB/EL to switch endianess

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git-svn-id: http://moon:8086/svn/vhdl/trunk@439 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2009-04-15 13:56:58 +00:00
parent a00c0c1a0d
commit 842553943a
1 changed files with 66 additions and 6 deletions
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lib/CPUs/MIPS/tools/src/romgen.c
+62 -2
View File
@@ -3,11 +3,54 @@
#include <string.h> #include <string.h>
#include <math.h> #include <math.h>
#define INT8 char
#define INT16 short
#define INT32 long
#define UINT8 unsigned char
#define UINT16 unsigned short
#define UINT32 unsigned long
#define INT int
#define UINT unsigned int
#define FLOAT32 float
#define FLOAT64 double
#define ARCH_NAME "data" #define ARCH_NAME "data"
#define ENT_NAME "rom" #define ENT_NAME "rom"
#define JTAG_ADDR_WIDTH 16 #define JTAG_ADDR_WIDTH 16
UINT32 g_endianess_EB;
// -------------------------------------------------------------- // --------------------------------------------------------------
UINT32 conv_endian32(UINT32 src)
{
UINT32 dst;
dst = (0xFF000000 & (src << 24))
| (0x00FF0000 & (src << 8))
| (0x0000FF00 & (src >> 8))
| (0x000000FF & (src >> 24));
return dst;
};
UINT32 to_big_endian32(UINT32 src)
{
#ifndef NATIVE_IS_BIG_ENDIAN
return conv_endian32(src);
#else
return src;
#endif
}
UINT32 from_big_endian32(UINT32 src)
{
#ifndef NATIVE_IS_BIG_ENDIAN
return conv_endian32(src);
#else
return src;
#endif
}
void basename(char *pSrc, char *pDst) void basename(char *pSrc, char *pDst)
{ {
int i, size; int i, size;
@@ -90,7 +133,11 @@ int SaveROM(char *pFilenameIn, char *pFilenameOut, char *pArchName, char *pEntNa
for (i=0; i < filesize; i += sizeof(int)) for (i=0; i < filesize; i += sizeof(int))
{ {
fread(&word, 1, sizeof(int), pFileIn); fread(&word, 1, sizeof(int), pFileIn);
if (g_endianess_EB)
fprintf(pFileOut, "\t\tX\"%8.8X\"", to_big_endian32(word));
else
fprintf(pFileOut, "\t\tX\"%8.8X\"", word); fprintf(pFileOut, "\t\tX\"%8.8X\"", word);
if (i < (romsize-sizeof(int))) if (i < (romsize-sizeof(int)))
fprintf(pFileOut, ", -- %8.8X\n", i); fprintf(pFileOut, ", -- %8.8X\n", i);
else else
@@ -208,7 +255,11 @@ int SaveROM_V4LD(char *pFilenameIn, char *pFilenameOut, char *pArchName, char *p
for (i=0; i < filesize; i += sizeof(int)) for (i=0; i < filesize; i += sizeof(int))
{ {
fread(&word, 1, sizeof(int), pFileIn); fread(&word, 1, sizeof(int), pFileIn);
if (g_endianess_EB)
fprintf(pFileOut, "\t\tX\"%8.8X\"", to_big_endian32(word));
else
fprintf(pFileOut, "\t\tX\"%8.8X\"", word); fprintf(pFileOut, "\t\tX\"%8.8X\"", word);
if (i < (romsize-sizeof(int))) if (i < (romsize-sizeof(int)))
fprintf(pFileOut, ", -- %8.8X\n", i); fprintf(pFileOut, ", -- %8.8X\n", i);
else else
@@ -314,6 +365,9 @@ int SaveROM_TCL(char *pFilenameIn, char *pFilenameOut, char *pArchName, char *pE
for (i=0; i < filesize; i += sizeof(int)) for (i=0; i < filesize; i += sizeof(int))
{ {
fread(&word, 1, sizeof(int), pFileIn); fread(&word, 1, sizeof(int), pFileIn);
if (g_endianess_EB)
fprintf(pFileOut, "::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 %d \"%4.4X%8.8X\"\n", nbits_data + JTAG_ADDR_WIDTH, word_addr, to_big_endian32(word));
else
fprintf(pFileOut, "::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 %d \"%4.4X%8.8X\"\n", nbits_data + JTAG_ADDR_WIDTH, word_addr, word); fprintf(pFileOut, "::chipscope::csejtag_tap shift_device_dr $handle $devid $CSE_OP $CSE_ES 0 %d \"%4.4X%8.8X\"\n", nbits_data + JTAG_ADDR_WIDTH, word_addr, word);
word_addr++; word_addr++;
} }
@@ -345,14 +399,20 @@ int main(int argc, char *argv[])
if (argc < 2) if (argc < 2)
{ {
fprintf(stderr, "Usage: romgen <input file> <num. word address bits>\n"); fprintf(stderr, "Usage: romgen <input file> <num. word address bits> [{EL|EB}]\n");
return 1; return 1;
} }
pFilenameIn = argv[1]; pFilenameIn = argv[1];
if (argc == 3)
nbits_addr = atoi(argv[2]); nbits_addr = atoi(argv[2]);
g_endianess_EB = 0;
if (argc == 4)
{
if ((toupper(argv[3][0]) == 'E') && (toupper(argv[3][1]) == 'B'))
g_endianess_EB = 1;
}
basename(pFilenameIn, name_prj); basename(pFilenameIn, name_prj);
sprintf(name_rom, "%s.vhd", name_prj); sprintf(name_rom, "%s.vhd", name_prj);