Added DMAC unit test cases.

This commit is contained in:
James Lemke 1998-03-20 22:51:39 +00:00
parent 121d6745bc
commit fc609c6c69
4 changed files with 580 additions and 2 deletions

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@ -1,3 +1,8 @@
Fri Mar 20 17:41:07 1998 Jim Lemke <jlemke@cygnus.com>
* t-dma.c: Created file of DMAC unit tests.
* sky.ld: Created file to load tests at a lower addr.
Tue Mar 17 15:41:07 1998 Frank Ch. Eigler <fche@cygnus.com>
* c_gen.pl: Added file from Toronto's /build directory.

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@ -76,6 +76,7 @@ C_GEN = perl $(srcdir)/c_gen.pl
.SUFFIXES: .trc .c .run .ok .vif0out .vif0ok .vif0expect .vif1out .vif1ok .vif1expect .uu
TESTS = \
t-dma.ok \
t-pke1.vif0ok \
t-pke2.vif1ok \
t-pke3.ok \
@ -139,11 +140,11 @@ sanity:
touch $@
# Rules for building all the tests
.trc.c:
$(C_GEN) $< $@
.c.run:
$(GCC_FOR_TARGET) -Tr5900.ld -o $@ $<
$(GCC_FOR_TARGET) -T$(srcdir)/sky.ld -o $@ $<
.uu.run:
uudecode $< > $@
.run.vif0out:

87
sim/testsuite/sky/sky.ld Normal file
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@ -0,0 +1,87 @@
/* This is just the basic idt.ld linker script file, except that it has
a different OUTPUT_ARCH to force the linker into r5900 mode which
uses 32bit addresses. */
/* The following TEXT start address leaves space for the monitor
workspace. i.e. the NEC VR4300 (IDT) first free address is actually
0xa001af20. */
ENTRY(_start)
OUTPUT_ARCH("mips:5900")
OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips")
GROUP(-lc -lidt -lgcc)
SEARCH_DIR(.)
__DYNAMIC = 0;
/*
* Allocate the stack to be at the top of memory, since the stack
* grows down
*/
PROVIDE (__stack = 0);
/* PROVIDE (__global = 0); */
/*
* Initalize some symbols to be zero so we can reference them in the
* crt0 without core dumping. These functions are all optional, but
* we do this so we can have our crt0 always use them if they exist.
* This is so BSPs work better when using the crt0 installed with gcc.
* We have to initalize them twice, so we multiple object file
* formats, as some prepend an underscore.
*/
PROVIDE (hardware_init_hook = 0);
PROVIDE (software_init_hook = 0);
SECTIONS
{
. = 0x00010000;
.text : {
_ftext = . ;
*(.init)
eprol = .;
*(.text)
*(.mips16.fn.*)
*(.mips16.call.*)
PROVIDE (__runtime_reloc_start = .);
*(.rel.sdata)
PROVIDE (__runtime_reloc_stop = .);
*(.fini)
etext = .;
_etext = .;
}
. = .;
.rdata : {
*(.rdata)
}
_fdata = ALIGN(16);
.data : {
*(.data)
CONSTRUCTORS
}
. = ALIGN(8);
_gp = . + 0x8000;
__global = _gp;
.lit8 : {
*(.lit8)
}
.lit4 : {
*(.lit4)
}
.sdata : {
*(.sdata)
}
. = ALIGN(4);
edata = .;
_edata = .;
_fbss = .;
.sbss : {
*(.sbss)
*(.scommon)
}
.bss : {
_bss_start = . ;
*(.bss)
*(COMMON)
}
end = .;
_end = .;
}

485
sim/testsuite/sky/t-dma.c Normal file
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@ -0,0 +1,485 @@
#include <stdio.h>
#include <string.h>
#define error(x) { printf(x); exit( 999); }
void wrtest( unsigned *reg, unsigned w, unsigned e)
{
unsigned r;
*reg = w;
r = *reg;
if( r != e)
{
printf( "wrtest: at 0x%08lx wrote=0x%08x read=0x%08x expected=0x%08x\n",
reg, w, r, e);
exit( 999);
}
}
/*
DMA tag in target format (LE).
BE=0x00000000_00000000_aaaaaaa0_ip00cccc
*/
typedef struct { unsigned tagL __attribute__ ((aligned (16))), tagH, pke1, pke0; } quad;
quad data0 = { 3, 2, 1, 0};
/* DMArefe 1, data0 */ quad dma_refe = { 0x0c000001, 000, 0, 0};
/* DMAcnt 2 */ quad dma_cnt = { 0x10000002, 0, 0, 0};
quad data1 = { 7, 6, 5, 4};
quad data2 = { 11, 10, 9, 8};
/* DMAnext 3,dma_ref */ quad dma_next = { 0x20000003, 000, 0, 0};
quad data3 = { 15, 14, 13, 12};
quad data4 = { 19, 18, 17, 16};
quad data5 = { 23, 22, 21, 20};
quad data6 = { 27, 26, 25, 24};
quad data7 = { 31, 30, 29, 28};
quad data8 = { 35, 34, 33, 32};
/* DMAref 1,data6 */ quad dma_ref = { 0x30000001, 000, 0, 0};
/* DMArefs 2,data7 */ quad dma_refs = { 0x40000002, 000, 0, 0};
/* DMAcall 3,dma_cal2 */quad dma_call = { 0x50000003, 000, 0, 0};
quad data9 = { 39, 38, 37, 36};
quad dataA = { 43, 42, 41, 40};
quad dataB = { 47, 46, 45, 44};
/* DMAend 1 */ quad dma_end = { 0x78000001, 0, 0, 0};
quad dataE = { 59, 58, 57, 56};
/* DMAcall 1,dma_rt2 */ quad dma_cal2 = { 0x50000001, 000, 0, 0 };
quad dataC = { 51, 50, 49, 48};
/* DMAret 0 */ quad dma_ret = { 0x60000000, 0, 0, 0};
/* DMAret 1 */ quad dma_rt2 = { 0x60000001, 0, 0, 0};
quad dataD = { 55, 54, 53, 52};
int main()
{
#define DMA_D0_START 0x10008000
#define DMA_D0_CHCR (unsigned*) 0x10008000
#define DMA_Dn_CHCR__STR 0x00000100
#define DMA_Dn_CHCR__TIE 0x00000080
#define DMA_Dn_CHCR__TTE 0x00000040
#define DMA_Dn_CHCR__MOD 0x0000000c
#define DMA_Dn_CHCR__MOD_NORM 0x00000000
#define DMA_Dn_CHCR__MOD_CHAIN 0x00000004
#define DMA_Dn_CHCR__DIR 0x00000001
#define DMA_D0_MADR (unsigned*) 0x10008010
#define DMA_D0_QWC (unsigned*) 0x10008020
#define DMA_D0_TADR (unsigned*) 0x10008030
#define DMA_D0_ASR0 (unsigned*) 0x10008040
#define DMA_D0_ASR1 (unsigned*) 0x10008050
#define DMA_D0_PKTFLAG (unsigned*) 0x10008060 /* virtual reg to indicate presence of tag in data */
#define DMA_D0_END 0x10008070
#define DMA_D1_START 0x10009000
#define DMA_D1_CHCR (unsigned*) 0x10009000
#define DMA_D1_MADR (unsigned*) 0x10009010
#define DMA_D1_QWC (unsigned*) 0x10009020
#define DMA_D1_TADR (unsigned*) 0x10009030
#define DMA_D1_ASR0 (unsigned*) 0x10009040
#define DMA_D1_ASR1 (unsigned*) 0x10009050
#define DMA_D1_PKTFLAG (unsigned*) 0x10009060 /* virtual reg to indicate presence of tag in data */
#define DMA_D1_END 0x10009070
#define DMA_D2_START 0x1000a000
#define DMA_D2_CHCR (unsigned*) 0x1000a000
#define DMA_D2_MADR (unsigned*) 0x1000a010
#define DMA_D2_QWC (unsigned*) 0x1000a020
#define DMA_D2_TADR (unsigned*) 0x1000a030
#define DMA_D2_ASR0 (unsigned*) 0x1000a040
#define DMA_D2_ASR1 (unsigned*) 0x1000a050
#define DMA_D2_PKTFLAG (unsigned*) 0x1000a060 /* virtual reg to indicate presence of tag in data */
#define DMA_D2_END 0x1000a070
#define DMA_D_CTRL (unsigned*) 0x1000e000
#define DMA_D_CTRL__DMAE 0x00000001
#define DMA_D_STAT (unsigned*) 0x1000e010
#define DMA_D_STAT__TOGGLE 0x63ff0000
#define DMA_D_STAT__CLEAR 0x0000e3ff
#define DMA_D_PCR (unsigned*) 0x1000e020
#define DMA_D_PCR__PCE 0x80000000
#define DMA_D_PCR__CDE 0x03ff0000
#define DMA_D_PCR__CDE0 0x00010000
#define DMA_D_PCR__CDE1 0x00020000
#define DMA_D_PCR__CDE2 0x00040000
#define DMA_D_SQWC (unsigned*) 0x1000e030
#define DMA_D_RBSR (unsigned*) 0x1000e040
#define DMA_D_RBOR (unsigned*) 0x1000e050
#define DMA_D_STADR (unsigned*) 0x1000e060
#define DMA_TAG_IRQ 0x80000000;
unsigned *reg, temp;
printf( "Testing DMA_D_CTRL...\n");
reg = DMA_D_CTRL;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x00000555, 0x00000555);
wrtest( reg, 0x000002aa, 0x000002aa);
*reg = 0;
printf( "Testing DMA_D_STAT...\n");
reg = DMA_D_STAT;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0xffffffff, 0x63ff0000);
wrtest( reg, 0x63ff0000, 0x00000000);
printf( "Testing DMA_D_PCR...\n");
reg = DMA_D_PCR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x80000000, 0x83ff0000);
wrtest( reg, 0x8fff0000, 0x83ff0000);
wrtest( reg, 0x05550000, 0x01550000);
wrtest( reg, 0x0155aaaa, 0x015502aa);
wrtest( reg, 0x00005555, 0x00000155);
*reg = 0;
printf( "Testing DMA_D_SQWC...\n");
reg = DMA_D_SQWC;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x005500aa);
wrtest( reg, 0xaaaa5555, 0x00aa0055);
*reg = 0;
printf( "Testing DMA_D_RBOR...\n");
reg = DMA_D_RBOR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0xaaaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D_RBSR...\n");
reg = DMA_D_RBSR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0xaaaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D_STADR...\n");
reg = DMA_D_STADR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0xaaaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D0_CHCR...\n");
reg = DMA_D0_CHCR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x000000aa);
wrtest( reg, 0xaaaa5555, 0x00000155);
*reg = 0;
printf( "Testing DMA_D0_MADR...\n");
reg = DMA_D0_MADR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D0_TADR...\n");
reg = DMA_D0_TADR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D0_ASR0...\n");
reg = DMA_D0_ASR0;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D0_ASR1...\n");
reg = DMA_D0_ASR1;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D0_QWC...\n");
reg = DMA_D0_QWC;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x0000aaaa);
wrtest( reg, 0xaaaa5555, 0x00005555);
*reg = 0;
printf( "Testing DMA_D0_PKTFLAG...\n");
reg = DMA_D0_PKTFLAG;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaaa);
wrtest( reg, 0xaaaa5555, 0xaaaa5555);
*reg = 0;
printf( "Testing DMA_D1_CHCR...\n");
reg = DMA_D1_CHCR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x000000aa);
wrtest( reg, 0xaaaa5555, 0x00000155);
*reg = 0;
printf( "Testing DMA_D1_MADR...\n");
reg = DMA_D1_MADR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D1_TADR...\n");
reg = DMA_D1_TADR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D1_ASR0...\n");
reg = DMA_D1_ASR0;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D1_ASR1...\n");
reg = DMA_D1_ASR1;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D1_QWC...\n");
reg = DMA_D1_QWC;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x0000aaaa);
wrtest( reg, 0xaaaa5555, 0x00005555);
*reg = 0;
printf( "Testing DMA_D1_PKTFLAG...\n");
reg = DMA_D1_PKTFLAG;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaaa);
wrtest( reg, 0xaaaa5555, 0xaaaa5555);
*reg = 0;
printf( "Testing DMA_D2_CHCR...\n");
reg = DMA_D2_CHCR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x000000aa);
wrtest( reg, 0xaaaa5555, 0x00000155);
*reg = 0;
printf( "Testing DMA_D2_MADR...\n");
reg = DMA_D2_MADR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D2_TADR...\n");
reg = DMA_D2_TADR;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D2_ASR0...\n");
reg = DMA_D2_ASR0;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D2_ASR1...\n");
reg = DMA_D2_ASR1;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaa0);
wrtest( reg, 0x2aaa5555, 0x2aaa5550);
*reg = 0;
printf( "Testing DMA_D2_QWC...\n");
reg = DMA_D2_QWC;
if( *reg)
{
printf ("Not initialized to zero (0x%08x).\n", *reg);
exit (999);
}
wrtest( reg, 0x5555aaaa, 0x0000aaaa);
wrtest( reg, 0xaaaa5555, 0x00005555);
*reg = 0;
printf( "Testing DMA_D2_PKTFLAG...\n");
reg = DMA_D2_PKTFLAG;
if( *reg) error( "Not initialized to zero.\n");
wrtest( reg, 0x5555aaaa, 0x5555aaaa);
wrtest( reg, 0xaaaa5555, 0xaaaa5555);
*reg = 0;
/* Initiate a non-chained 0-length transfer. */
printf ("\nPreparing for a DMA1 NORM transfer...\n");
reg = DMA_D_CTRL; /* enable DMA */
*reg = DMA_D_CTRL__DMAE;
reg = DMA_D1_QWC; /* set # of quad words to xfr */
*reg = 0;
reg = DMA_D1_MADR; /* set data address */
*reg = 0x00012340;
reg = DMA_D1_CHCR;
printf ("Ready...\n");
*reg = DMA_Dn_CHCR__STR | DMA_Dn_CHCR__MOD_NORM;
reg = DMA_D1_QWC;
if (*reg)
{
printf ("D1_QWC is not zero after transfer.\n");
exit (999);
}
reg = DMA_D1_MADR;
if (*reg != 0x00012340)
{
printf ("D1_MADR value is wrong after transfer.\n");
exit (999);
}
reg = DMA_D1_CHCR;
if ((*reg & DMA_Dn_CHCR__STR) != 0)
{
printf ("D1_CHCR.STR is not reset after transfer.\n");
exit (999);
}
printf ("Completed OK...\n");
/* Initiate a chained transfer. */
/* Some of the "tag" fields couldn't be initialised statically. */
/* The first address is unaligned to force a warning. */
dma_refe.tagH = (unsigned)&data0 + 1;
dma_next.tagH = (unsigned)&dma_ref;
dma_ref.tagH = (unsigned)&data6;
dma_refs.tagH = (unsigned)&data7;
dma_call.tagH = (unsigned)&dma_cal2;
dma_cal2.tagH = (unsigned)&dma_rt2;
printf ("\nPreparing for a DMA0 TAG transfer...\n");
reg = DMA_D_PCR; /* disable DMA0 */
*reg &= ~DMA_D_PCR__CDE0;
*reg |= DMA_D_PCR__PCE;
reg = DMA_D_CTRL; /* enable DMA */
*reg = DMA_D_CTRL__DMAE;
reg = DMA_D0_TADR; /* set tag address */
*reg = (unsigned) & dma_refe;
reg = DMA_D0_QWC; /* set fictitious count */
*reg = 51;
printf ("Ready...\n");
reg = DMA_D0_CHCR;
*reg = DMA_Dn_CHCR__STR | DMA_Dn_CHCR__TTE | DMA_Dn_CHCR__MOD_CHAIN;
reg = DMA_D0_QWC;
if (*reg != 51)
{
printf ("DMA0 transfer not inhibited by DMA_D_PCR__CDE0 (%d).\n", *reg);
exit (999);
}
reg = DMA_D_PCR; /* enable DMA0 */
*reg &= ~DMA_D_PCR__PCE;
reg = DMA_D0_QWC;
if (*reg)
{
printf ("D0_QWC is not zero after transfer.\n");
exit (999);
}
reg = DMA_D0_MADR;
if (*reg != (unsigned)&dma_cal2)
{
printf ("D0_MADR value is wrong after transfer.\n");
exit (999);
}
reg = DMA_D0_CHCR;
if ((*reg & DMA_Dn_CHCR__STR) != 0)
{
printf ("D0_CHCR.STR is not reset after transfer.\n");
exit (999);
}
printf ("Completed OK...\n");
/* Initiate a chained transfer that will be suspended
and restarted. */
/* Request suspension part way through. */
dma_ref.tagL |= DMA_TAG_IRQ;
printf ("\nPreparing for a DMA2 TAG transfer with suspension...\n");
reg = DMA_D_CTRL; /* enable DMA */
*reg = DMA_D_CTRL__DMAE;
reg = DMA_D2_TADR; /* set tag address */
*reg = (unsigned) & dma_refe;
printf ("Ready...\n");
reg = DMA_D2_CHCR;
*reg = DMA_Dn_CHCR__STR | DMA_Dn_CHCR__MOD_CHAIN;
printf ("returns...\n");
reg = DMA_D2_QWC;
if (*reg)
{
printf ("D2_QWC (0x%08x) is not zero after suspension.\n", *reg);
exit (999);
}
reg = DMA_D2_MADR;
if (*reg != (unsigned)&data7)
{
printf ("D2_MADR value (0x%08x) is wrong after suspension.\n", *reg);
exit (999);
}
reg = DMA_D2_TADR;
if (*reg != (unsigned)&dma_refs)
{
printf ("D2_TADR value (0x%08x) is wrong after suspension.\n", *reg);
exit (999);
}
reg = DMA_D2_CHCR;
if ((*reg & DMA_Dn_CHCR__STR) != 0)
{
printf ("D2_CHCR.STR (0x%08x) is not reset after suspension.\n", *reg);
exit (999);
}
reg = DMA_D_PCR;
if ((*reg & DMA_D_PCR__PCE) == 0)
{
printf ("DMA_D_PCR__PCE not set by transfer.\n");
exit (999);
}
printf ("Suspended OK...\n");
/* Reset the suspension request and continue. */
dma_ref.tagL &= ~DMA_TAG_IRQ;
reg = DMA_D2_CHCR;
*reg |= DMA_Dn_CHCR__STR;
reg = DMA_D2_QWC;
if (*reg)
{
printf ("D2_QWC (0x%08x) is not zero after transfer.\n", *reg);
exit (999);
}
reg = DMA_D2_MADR;
if (*reg != (unsigned)&dma_cal2)
{
printf ("D2_MADR value (0x%08x) is wrong after transfer.\n", *reg);
exit (999);
}
reg = DMA_D2_CHCR;
if ((*reg & DMA_Dn_CHCR__STR) != 0)
{
printf ("D2_CHCR.STR (0x%08x) is not reset after transfer.\n", *reg);
exit (999);
}
reg = DMA_D_PCR;
if (*reg & DMA_D_PCR__PCE)
{
printf ("DMA_D_PCR__PCE not reset by transfer.\n");
exit (999);
}
printf ("Completed OK...\n");
exit (0);
}