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-rw-r--r--shared/via_verifier.c105
1 files changed, 50 insertions, 55 deletions
diff --git a/shared/via_verifier.c b/shared/via_verifier.c
index 1af4ea4c..ada28929 100644
--- a/shared/via_verifier.c
+++ b/shared/via_verifier.c
@@ -31,6 +31,10 @@
#include "via.h"
#include "via_3d_reg.h"
#include "drmP.h"
+#include "drm.h"
+#include "via_drm.h"
+#include "via_verifier.h"
+#include "via_drv.h"
typedef enum{
state_command,
@@ -41,13 +45,6 @@ typedef enum{
state_error
} verifier_state_t;
-typedef enum{
- no_sequence = 0,
- z_address,
- dest_address,
- tex_address
-}sequence_t;
-
typedef enum{
no_check = 0,
@@ -86,7 +83,7 @@ typedef enum{
* that does not include any part of the address.
*/
-static sequence_t seqs[] = {
+static drm_via_sequence_t seqs[] = {
no_sequence,
no_sequence,
no_sequence,
@@ -246,27 +243,6 @@ static hazard_t table3[256];
-typedef struct{
- unsigned texture;
- uint32_t z_addr;
- uint32_t d_addr;
- uint32_t t_addr[2][10];
- uint32_t pitch[2][10];
- uint32_t height[2][10];
- uint32_t tex_level_lo[2];
- uint32_t tex_level_hi[2];
- uint32_t tex_palette_size[2];
- sequence_t unfinished;
- int agp_texture;
- int multitex;
- drm_device_t *dev;
- drm_map_t *map_cache;
- uint32_t vertex_count;
-} sequence_context_t;
-
-static sequence_context_t hc_sequence;
-
-
static __inline__ int
eat_words(const uint32_t **buf, const uint32_t *buf_end, unsigned num_words)
{
@@ -284,7 +260,7 @@ eat_words(const uint32_t **buf, const uint32_t *buf_end, unsigned num_words)
*/
static __inline__ drm_map_t *
-via_drm_lookup_agp_map (sequence_context_t *seq, unsigned long offset, unsigned long size,
+via_drm_lookup_agp_map (drm_via_state_t *seq, unsigned long offset, unsigned long size,
drm_device_t *dev)
{
struct list_head *list;
@@ -321,7 +297,7 @@ via_drm_lookup_agp_map (sequence_context_t *seq, unsigned long offset, unsigned
static __inline__ int
-finish_current_sequence(sequence_context_t *cur_seq)
+finish_current_sequence(drm_via_state_t *cur_seq)
{
switch(cur_seq->unfinished) {
case z_address:
@@ -366,7 +342,7 @@ finish_current_sequence(sequence_context_t *cur_seq)
}
static __inline__ int
-investigate_hazard( uint32_t cmd, hazard_t hz, sequence_context_t *cur_seq)
+investigate_hazard( uint32_t cmd, hazard_t hz, drm_via_state_t *cur_seq)
{
register uint32_t tmp, *tmp_addr;
@@ -519,7 +495,7 @@ investigate_hazard( uint32_t cmd, hazard_t hz, sequence_context_t *cur_seq)
static __inline__ int
via_check_prim_list(uint32_t const **buffer, const uint32_t *buf_end,
- sequence_context_t *cur_seq)
+ drm_via_state_t *cur_seq)
{
uint32_t a_fire, bcmd , dw_count;
int ret = 0;
@@ -547,7 +523,7 @@ via_check_prim_list(uint32_t const **buffer, const uint32_t *buf_end,
* How many dwords per vertex ?
*/
- if ((bcmd & (0xF << 11)) == 0) {
+ if (cur_seq->agp && ((bcmd & (0xF << 11)) == 0)) {
DRM_ERROR("Illegal B command vertex data for AGP.\n");
ret = 1;
break;
@@ -564,12 +540,6 @@ via_check_prim_list(uint32_t const **buffer, const uint32_t *buf_end,
if (bcmd & (1 << 14)) dw_count++;
while(buf < buf_end) {
- if (*buf == HALCYON_HEADER2) {
- DRM_ERROR("Missing Vertex Fire command or verifier "
- "lost sync.\n");
- ret = 1;
- break;
- }
if (*buf == a_fire) {
have_fire = 1;
buf++;
@@ -577,6 +547,14 @@ via_check_prim_list(uint32_t const **buffer, const uint32_t *buf_end,
buf++;
break;
}
+ if ((*buf == HALCYON_HEADER2) ||
+ ((*buf & HALCYON_FIREMASK) == HALCYON_FIRECMD)) {
+ DRM_ERROR("Missing Vertex Fire command, "
+ "Stray Vertex Fire command or verifier "
+ "lost sync.\n");
+ ret = 1;
+ break;
+ }
if ((ret = eat_words(&buf, buf_end, dw_count)))
break;
}
@@ -586,6 +564,11 @@ via_check_prim_list(uint32_t const **buffer, const uint32_t *buf_end,
ret = 1;
break;
}
+ if (cur_seq->agp && ((buf - cur_seq->buf_start) & 0x01)) {
+ DRM_ERROR("AGP Primitive list end misaligned.\n");
+ ret = 1;
+ break;
+ }
}
*buffer = buf;
return ret;
@@ -596,7 +579,8 @@ via_check_prim_list(uint32_t const **buffer, const uint32_t *buf_end,
static __inline__ verifier_state_t
-via_check_header2( uint32_t const **buffer, const uint32_t *buf_end )
+via_check_header2( uint32_t const **buffer, const uint32_t *buf_end,
+ drm_via_state_t *hc_state)
{
uint32_t cmd;
int hz_mode;
@@ -614,7 +598,7 @@ via_check_header2( uint32_t const **buffer, const uint32_t *buf_end )
switch(cmd) {
case HC_ParaType_CmdVdata:
- if (via_check_prim_list(&buf, buf_end, &hc_sequence ))
+ if (via_check_prim_list(&buf, buf_end, hc_state ))
return state_error;
*buffer = buf;
return state_command;
@@ -622,11 +606,11 @@ via_check_header2( uint32_t const **buffer, const uint32_t *buf_end )
hz_table = table1;
break;
case HC_ParaType_Tex:
- hc_sequence.texture = 0;
+ hc_state->texture = 0;
hz_table = table2;
break;
case (HC_ParaType_Tex | (HC_SubType_Tex1 << 8)):
- hc_sequence.texture = 1;
+ hc_state->texture = 1;
hz_table = table2;
break;
case (HC_ParaType_Tex | (HC_SubType_TexGeneral << 8)):
@@ -668,19 +652,19 @@ via_check_header2( uint32_t const **buffer, const uint32_t *buf_end )
while(buf < buf_end) {
cmd = *buf++;
if ((hz = hz_table[cmd >> 24])) {
- if ((hz_mode = investigate_hazard(cmd, hz, &hc_sequence))) {
+ if ((hz_mode = investigate_hazard(cmd, hz, hc_state))) {
if (hz_mode == 1) {
buf--;
break;
}
return state_error;
}
- } else if (hc_sequence.unfinished &&
- finish_current_sequence(&hc_sequence)) {
+ } else if (hc_state->unfinished &&
+ finish_current_sequence(hc_state)) {
return state_error;
}
}
- if (hc_sequence.unfinished && finish_current_sequence(&hc_sequence)) {
+ if (hc_state->unfinished && finish_current_sequence(hc_state)) {
return state_error;
}
*buffer = buf;
@@ -827,22 +811,29 @@ via_check_vheader6( uint32_t const **buffer, const uint32_t *buf_end )
int
-via_verify_command_stream(const uint32_t * buf, unsigned int size, drm_device_t *dev)
+via_verify_command_stream(const uint32_t * buf, unsigned int size, drm_device_t *dev,
+ int agp)
{
+ drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+ drm_via_state_t *hc_state = &dev_priv->hc_state;
+ drm_via_state_t saved_state = *hc_state;
uint32_t cmd;
const uint32_t *buf_end = buf + ( size >> 2 );
verifier_state_t state = state_command;
- hc_sequence.dev = dev;
- hc_sequence.unfinished = no_sequence;
- hc_sequence.map_cache = NULL;
+
+ hc_state->dev = dev;
+ hc_state->unfinished = no_sequence;
+ hc_state->map_cache = NULL;
+ hc_state->agp = agp;
+ hc_state->buf_start = buf;
while (buf < buf_end) {
switch (state) {
case state_header2:
- state = via_check_header2( &buf, buf_end );
+ state = via_check_header2( &buf, buf_end, hc_state );
break;
case state_header1:
state = via_check_header1( &buf, buf_end );
@@ -870,10 +861,15 @@ via_verify_command_stream(const uint32_t * buf, unsigned int size, drm_device_t
break;
case state_error:
default:
+ *hc_state = saved_state;
return DRM_ERR(EINVAL);
}
}
- return (state == state_error) ? DRM_ERR(EINVAL) : 0;
+ if (state == state_error) {
+ *hc_state = saved_state;
+ return DRM_ERR(EINVAL);
+ }
+ return 0;
}
static void
@@ -893,7 +889,6 @@ setup_hazard_table(hz_init_t init_table[], hazard_t table[], int size)
void
via_init_command_verifier( void )
{
- hc_sequence.texture = 0;
setup_hazard_table(init_table1, table1, sizeof(init_table1) / sizeof(hz_init_t));
setup_hazard_table(init_table2, table2, sizeof(init_table2) / sizeof(hz_init_t));
setup_hazard_table(init_table3, table3, sizeof(init_table3) / sizeof(hz_init_t));
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 16:50:56 +0000