eaw/ZPU
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Memory test update

Browse Source
This commit is contained in:
Philip Smart
2019-10-23 21:27:25 +01:00
parent 210cb9d974
commit 1682b348e1
2 changed files with 113 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
devices/sysbus/BRAM/IOCP_BootROM.vhd
View File

@@ -1,7 +1,7 @@
-- ZPU
--
-- Copyright 2004-2008 oharboe - <20>yvind Harboe - oyvind.harboe@zylin.com
-- Modified by Alastair M. Robinson for the ZPUFlex project.
-- Modified by Philip Smart 02/2019 for the ZPU Evo implementation.
--
-- The FreeBSD license
--

140
software/apps/mtest/mtest.c
View File

@@ -58,6 +58,112 @@
#define VERSION_DATE "18/07/2019"
#define APP_NAME "MDUMP"
// Simple 8 bit memory write/read test.
void test8bit(uint32_t start, uint32_t end)
{
// Locals.
unsigned char* memPtr;
unsigned long count;
uint8_t data;
xprintf( "\rWrite 8bit ascending test pattern... " );
memPtr = (unsigned char*)( start );
data = 0x00;
count = end - start;
while ( count-- )
{
*memPtr++ = data++;
if ( data >= 0xFF )
data = 0x00;
}
xprintf( "\rRead 8bit ascending test pattern... " );
memPtr = (unsigned char*)( start );
data = 0x00;
count = end - start;
while ( count-- )
{
if ( *memPtr != data )
xprintf( "\rError (8bit) at 0x%08lX (%02x:%02x)\n", memPtr, *memPtr, data );
*memPtr++;
data++;
if ( data >= 0xFF )
data = 0x00;
}
}
// Simple 16 bit memory write/read test.
void test16bit(uint32_t start, uint32_t end)
{
// Locals.
uint16_t *memPtr;
uint32_t count;
uint16_t data;
xprintf( "\rWrite 16bit ascending test pattern... " );
memPtr = (uint16_t*)( start );
data = 0x00;
count = end - start;
while ( count > 0 )
{
*memPtr++ = data++;
if ( data >= 0xFFFF )
data = 0x00;
count = count > 2 ? count -= 2 : 0;
}
xprintf( "\rRead 16bit ascending test pattern... " );
memPtr = (uint16_t*)( start );
data = 0x00;
count = end - start;
while ( count > 0 )
{
if ( *memPtr != data )
xprintf( "\rError (16bit) at 0x%08lX (%04x:%04x)\n", memPtr, *memPtr, data );
*memPtr++;
data++;
if ( data >= 0xFFFF )
data = 0x00;
count = count > 2 ? count -= 2 : 0;
}
}
// Simple 32 bit memory write/read test.
void test32bit(uint32_t start, uint32_t end)
{
// Locals.
uint32_t *memPtr;
uint32_t count;
uint32_t data;
xprintf( "\rWrite 32bit ascending test pattern... " );
memPtr = (uint32_t*)( start );
data = 0x00;
count = end - start;
while ( count > 0 )
{
*memPtr++ = data++;
if ( data >= 0xFFFFFFFE )
data = 0x00;
count = count > 4 ? count -= 4 : 0;
}
xprintf( "\rRead 32bit ascending test pattern... " );
memPtr = (uint32_t*)( start );
data = 0x00;
count = end - start;
while ( count > 0 )
{
if ( *memPtr != data )
xprintf( "\rError (32bit) at 0x%08lX (%08lx:%08lx)\n", memPtr, *memPtr, data );
*memPtr++;
data++;
if ( data >= 0xFFFFFFFE )
data = 0;
count = count > 4 ? count -= 4 : 0;
}
}
// Main entry and start point of a ZPUTA Application. Only 2 parameters are catered for and a 32bit return code, additional parameters can be added by changing the appcrt0.s
// startup code to add them to the stack prior to app() call.
//
@@ -70,12 +176,10 @@ uint32_t app(uint32_t param1, uint32_t param2)
char *ptr = (char *)param1;
long startAddr;
long endAddr;
uint32_t iterations;
unsigned long iterations;
uint32_t idx;
unsigned char* memPtr;
unsigned long count;
unsigned char data;
// Get parameters or use defaults if not provided.
if (!xatoi(&ptr, &startAddr))
{
if(cfgSoC->implInsnBRAM) { startAddr = cfgSoC->addrInsnBRAM; }
@@ -99,31 +203,11 @@ uint32_t app(uint32_t param1, uint32_t param2)
xprintf( "Check memory addr 0x%08X to 0x%08X for %d iterations.\n", startAddr, endAddr, iterations );
for(idx=0; idx < iterations; idx++)
{
xprintf( "\r%03d - Write test pattern... ", idx );
memPtr = (unsigned char*)( startAddr );
data = 0x00;
count = endAddr - startAddr;
while ( count-- )
{
*memPtr++ = data++;
if ( data >= 253 )
data = 0;
}
xprintf( "\r%03d - Read test pattern... ", idx );
memPtr = (unsigned char*)( startAddr );
data = 0x00;
count = endAddr - startAddr;
while ( count-- )
{
if ( *memPtr != data )
xprintf( "Error at address 0x%08lX (%02x:%02x)\n", memPtr, *memPtr, data );
*memPtr++;
data++;
if ( data >= 253 )
data = 0;
}
test8bit(startAddr, endAddr);
test16bit(startAddr, endAddr);
test32bit(startAddr, endAddr);
}
xputs("\n");
return(0);
}