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Less verbose ring and buffer dump routines in the DRM to avoid overflow

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kmsg.
This commit is contained in:
Jose Fonseca 2002-06-26 19:50:09 +00:00
parent d5e14d9e01
commit 19c4d51b2d
1 changed files with 53 additions and 27 deletions
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80
linux/mach64_dma.c
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@ -364,18 +364,28 @@ void mach64_dump_engine_info( drm_mach64_private_t *dev_priv )
DRM_INFO( "\n" );
}
#define MACH64_DUMP_CONTEXT 3
void mach64_dump_buf_info( drm_mach64_private_t *dev_priv, drm_buf_t *buf)
{
u32 addr = GETBUFADDR( buf );
u32 used = buf->used >> 2;
u32 sys_addr = MACH64_READ( MACH64_BM_SYSTEM_MEM_ADDR );
u32 *p = GETBUFPTR( buf );
int skipped = 0;
DRM_INFO( "buffer contents:\n" );
while ( used ) {
u32 reg, count;
reg = le32_to_cpu(*p++);
DRM_INFO("%08x: 0x%08x\n", addr, reg);
if( addr <= GETBUFADDR( buf ) + MACH64_DUMP_CONTEXT * 4 ||
(addr >= sys_addr - MACH64_DUMP_CONTEXT * 4 &&
addr <= sys_addr + MACH64_DUMP_CONTEXT * 4) ||
addr >= GETBUFADDR( buf ) + buf->used - MACH64_DUMP_CONTEXT * 4) {
DRM_INFO("%08x: 0x%08x\n", addr, reg);
}
addr += 4;
used--;
@ -383,7 +393,18 @@ void mach64_dump_buf_info( drm_mach64_private_t *dev_priv, drm_buf_t *buf)
reg = reg & 0xffff;
reg = MMSELECT( reg );
while ( count && used ) {
DRM_INFO("%08x: 0x%04x = 0x%08x\n", addr, reg, le32_to_cpu(*p));
if( addr <= GETBUFADDR( buf ) + MACH64_DUMP_CONTEXT * 4 ||
(addr >= sys_addr - MACH64_DUMP_CONTEXT * 4 &&
addr <= sys_addr + MACH64_DUMP_CONTEXT * 4) ||
addr >= GETBUFADDR( buf ) + buf->used - MACH64_DUMP_CONTEXT * 4) {
DRM_INFO("%08x: 0x%04x = 0x%08x\n", addr, reg, le32_to_cpu(*p));
skipped = 0;
} else {
if( !skipped ) {
DRM_INFO( " ...\n" );
skipped = 1;
}
}
p++;
addr += 4;
used--;
@ -392,39 +413,44 @@ void mach64_dump_buf_info( drm_mach64_private_t *dev_priv, drm_buf_t *buf)
count--;
}
}
DRM_INFO( "\n" );
}
void mach64_dump_ring_info( drm_mach64_private_t *dev_priv )
{
drm_mach64_descriptor_ring_t *ring = &dev_priv->ring;
int i, i0, i1;
int i, skipped;
DRM_INFO( "\n" );
DRM_INFO("ring head_addr: 0x%08x head: %d tail: %d\n", ring->head_addr, ring->head, ring->tail );
DRM_INFO("ring contents:\n");
DRM_INFO("\thead_addr: 0x%08x head: %d tail: %d\n\n", ring->head_addr, ring->head, ring->tail );
if ( ring->head <= ring->tail ) {
i0 = ring->head;
i1 = ring->tail;
} else {
i0 = ring->tail;
i1 = ring->head;
}
if ( (i0 = (i0 - 16) & 0xfffffff0) < 0)
i0 = 0;
if ( (i1 = (i1 + 16) & 0xfffffff0) > ring->size / sizeof(u32) )
i1 = ring->size / sizeof(u32);
for ( i = i0; i < i1; i += 4) {
DRM_INFO( " 0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x%s%s\n",
ring->start_addr + i * sizeof(u32),
le32_to_cpu(((u32*) ring->start)[i + 0]),
le32_to_cpu(((u32*) ring->start)[i + 1]),
le32_to_cpu(((u32*) ring->start)[i + 2]),
le32_to_cpu(((u32*) ring->start)[i + 3]),
i == ring->head ? " (head)" : "",
i == ring->tail ? " (tail)" : ""
);
skipped = 0;
for ( i = 0; i < ring->size / sizeof(u32); i += 4) {
if( i <= MACH64_DUMP_CONTEXT * 4 ||
i >= ring->size / sizeof(u32) - MACH64_DUMP_CONTEXT * 4 ||
(i >= ring->tail - MACH64_DUMP_CONTEXT * 4 &&
i <= ring->tail + MACH64_DUMP_CONTEXT * 4) ||
(i >= ring->head - MACH64_DUMP_CONTEXT * 4 &&
i <= ring->head + MACH64_DUMP_CONTEXT * 4)) {
DRM_INFO( " 0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x%s%s\n",
ring->start_addr + i * sizeof(u32),
le32_to_cpu(((u32*) ring->start)[i + 0]),
le32_to_cpu(((u32*) ring->start)[i + 1]),
le32_to_cpu(((u32*) ring->start)[i + 2]),
le32_to_cpu(((u32*) ring->start)[i + 3]),
i == ring->head ? " (head)" : "",
i == ring->tail ? " (tail)" : ""
);
skipped = 0;
} else {
if( !skipped ) {
DRM_INFO( " ...\n" );
skipped = 1;
}
}
}
DRM_INFO( "\n" );