Re: [PATCH v2 4/6] gpu: host1x: Disassemble more instructions

2017-09-05 Thread Dmitry Osipenko
On 05.09.2017 11:10, Mikko Perttunen wrote:
> The disassembler for debug dumps was missing some newer host1x opcodes.
> Add disassembly support for these.
> 
> Signed-off-by: Mikko Perttunen 
> ---
>  drivers/gpu/host1x/hw/debug_hw.c  | 57 
> ---
>  drivers/gpu/host1x/hw/debug_hw_1x01.c |  3 +-
>  drivers/gpu/host1x/hw/debug_hw_1x06.c |  3 +-
>  3 files changed, 57 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/host1x/hw/debug_hw.c 
> b/drivers/gpu/host1x/hw/debug_hw.c
> index 1e67667e308c..de2a0ba7a32d 100644
> --- a/drivers/gpu/host1x/hw/debug_hw.c
> +++ b/drivers/gpu/host1x/hw/debug_hw.c
> @@ -30,6 +30,13 @@ enum {
>   HOST1X_OPCODE_IMM   = 0x04,
>   HOST1X_OPCODE_RESTART   = 0x05,
>   HOST1X_OPCODE_GATHER= 0x06,
> + HOST1X_OPCODE_SETSTRMID = 0x07,
> + HOST1X_OPCODE_SETAPPID  = 0x08,
> + HOST1X_OPCODE_SETPYLD   = 0x09,
> + HOST1X_OPCODE_INCR_W= 0x0a,
> + HOST1X_OPCODE_NONINCR_W = 0x0b,
> + HOST1X_OPCODE_GATHER_W  = 0x0c,
> + HOST1X_OPCODE_RESTART_W = 0x0d,
>   HOST1X_OPCODE_EXTEND= 0x0e,
>  };
>  
> @@ -38,11 +45,16 @@ enum {
>   HOST1X_OPCODE_EXTEND_RELEASE_MLOCK  = 0x01,
>  };
>  
> -static unsigned int show_channel_command(struct output *o, u32 val)
> +#define INVALID_PAYLOAD  0x
> +
> +static unsigned int show_channel_command(struct output *o, u32 val,
> +  u32 *payload)
>  {
> - unsigned int mask, subop, num;
> + unsigned int mask, subop, num, opcode;
> +
> + opcode = val >> 28;
>  
> - switch (val >> 28) {
> + switch (opcode) {
>   case HOST1X_OPCODE_SETCLASS:
>   mask = val & 0x3f;
>   if (mask) {
> @@ -97,6 +109,42 @@ static unsigned int show_channel_command(struct output 
> *o, u32 val)
>   val >> 14 & 0x1, val & 0x3fff);
>   return 1;
>  

Opcodes below aren't relevant to older Tegra's, seems "#if HOST1X_HW >= 6"
should be added here.

> + case HOST1X_OPCODE_SETSTRMID:
> + host1x_debug_cont(o, "SETSTRMID(offset=%06x)\n",
> +   val & 0x3f);
> + return 0;
> +
> + case HOST1X_OPCODE_SETAPPID:
> + host1x_debug_cont(o, "SETAPPID(appid=%02x)\n", val & 0xff);
> + return 0;
> +
> + case HOST1X_OPCODE_SETPYLD:
> + *payload = val & 0x;
> + host1x_debug_cont(o, "SETPYLD(data=%04x)\n", *payload);
> + return 0;
> +
> + case HOST1X_OPCODE_INCR_W:
> + case HOST1X_OPCODE_NONINCR_W:
> + host1x_debug_cont(o, "%s(offset=%06x, ",
> +   opcode == HOST1X_OPCODE_INCR_W ?
> + "INCR_W" : "NONINCR_W",
> +   val & 0x3f);
> + if (*payload == 0) {
> + host1x_debug_cont(o, "[])\n");
> + return 0;
> + } else if (*payload == INVALID_PAYLOAD) {
> + host1x_debug_cont(o, "unknown)\n");
> + return 0;
> + } else {
> + host1x_debug_cont(o, "[");
> + return *payload;
> + }
> +
> + case HOST1X_OPCODE_GATHER_W:
> + host1x_debug_cont(o, "GATHER_W(count=%04x, addr=[",
> +   val & 0x3fff);
> + return 2;
> +
>   case HOST1X_OPCODE_EXTEND:
>   subop = val >> 24 & 0xf;
>   if (subop == HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK)
> @@ -122,6 +170,7 @@ static void show_gather(struct output *o, phys_addr_t 
> phys_addr,
>   /* Map dmaget cursor to corresponding mem handle */
>   u32 offset = phys_addr - pin_addr;
>   unsigned int data_count = 0, i;
> + u32 payload = INVALID_PAYLOAD;
>  
>   /*
>* Sometimes we're given different hardware address to the same
> @@ -139,7 +188,7 @@ static void show_gather(struct output *o, phys_addr_t 
> phys_addr,
>  
>   if (!data_count) {
>   host1x_debug_output(o, "%08x: %08x: ", addr, val);
> - data_count = show_channel_command(o, val);
> + data_count = show_channel_command(o, val, &payload);
>   } else {
>   host1x_debug_cont(o, "%08x%s", val,
>   data_count > 1 ? ", " : "])\n");
> diff --git a/drivers/gpu/host1x/hw/debug_hw_1x01.c 
> b/drivers/gpu/host1x/hw/debug_hw_1x01.c
> index 09e1aa7bb5dd..7d1401c6c193 100644
> --- a/drivers/gpu/host1x/hw/debug_hw_1x01.c
> +++ b/drivers/gpu/host1x/hw/debug_hw_1x01.c
> @@ -78,6 +78,7 @@ static void host1x_debug_show_channel_fifo(struct host1x 
> *host,
>  struct output *o)
>  {
>   u32 val, rd_ptr, wr_ptr, start, end;
> + u32 payload = INVALID_PAYLOAD;
>   unsigned int data_count = 0;
>  
> 

[PATCH v2 4/6] gpu: host1x: Disassemble more instructions

2017-09-05 Thread Mikko Perttunen
The disassembler for debug dumps was missing some newer host1x opcodes.
Add disassembly support for these.

Signed-off-by: Mikko Perttunen 
---
 drivers/gpu/host1x/hw/debug_hw.c  | 57 ---
 drivers/gpu/host1x/hw/debug_hw_1x01.c |  3 +-
 drivers/gpu/host1x/hw/debug_hw_1x06.c |  3 +-
 3 files changed, 57 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/host1x/hw/debug_hw.c b/drivers/gpu/host1x/hw/debug_hw.c
index 1e67667e308c..de2a0ba7a32d 100644
--- a/drivers/gpu/host1x/hw/debug_hw.c
+++ b/drivers/gpu/host1x/hw/debug_hw.c
@@ -30,6 +30,13 @@ enum {
HOST1X_OPCODE_IMM   = 0x04,
HOST1X_OPCODE_RESTART   = 0x05,
HOST1X_OPCODE_GATHER= 0x06,
+   HOST1X_OPCODE_SETSTRMID = 0x07,
+   HOST1X_OPCODE_SETAPPID  = 0x08,
+   HOST1X_OPCODE_SETPYLD   = 0x09,
+   HOST1X_OPCODE_INCR_W= 0x0a,
+   HOST1X_OPCODE_NONINCR_W = 0x0b,
+   HOST1X_OPCODE_GATHER_W  = 0x0c,
+   HOST1X_OPCODE_RESTART_W = 0x0d,
HOST1X_OPCODE_EXTEND= 0x0e,
 };
 
@@ -38,11 +45,16 @@ enum {
HOST1X_OPCODE_EXTEND_RELEASE_MLOCK  = 0x01,
 };
 
-static unsigned int show_channel_command(struct output *o, u32 val)
+#define INVALID_PAYLOAD0x
+
+static unsigned int show_channel_command(struct output *o, u32 val,
+u32 *payload)
 {
-   unsigned int mask, subop, num;
+   unsigned int mask, subop, num, opcode;
+
+   opcode = val >> 28;
 
-   switch (val >> 28) {
+   switch (opcode) {
case HOST1X_OPCODE_SETCLASS:
mask = val & 0x3f;
if (mask) {
@@ -97,6 +109,42 @@ static unsigned int show_channel_command(struct output *o, 
u32 val)
val >> 14 & 0x1, val & 0x3fff);
return 1;
 
+   case HOST1X_OPCODE_SETSTRMID:
+   host1x_debug_cont(o, "SETSTRMID(offset=%06x)\n",
+ val & 0x3f);
+   return 0;
+
+   case HOST1X_OPCODE_SETAPPID:
+   host1x_debug_cont(o, "SETAPPID(appid=%02x)\n", val & 0xff);
+   return 0;
+
+   case HOST1X_OPCODE_SETPYLD:
+   *payload = val & 0x;
+   host1x_debug_cont(o, "SETPYLD(data=%04x)\n", *payload);
+   return 0;
+
+   case HOST1X_OPCODE_INCR_W:
+   case HOST1X_OPCODE_NONINCR_W:
+   host1x_debug_cont(o, "%s(offset=%06x, ",
+ opcode == HOST1X_OPCODE_INCR_W ?
+   "INCR_W" : "NONINCR_W",
+ val & 0x3f);
+   if (*payload == 0) {
+   host1x_debug_cont(o, "[])\n");
+   return 0;
+   } else if (*payload == INVALID_PAYLOAD) {
+   host1x_debug_cont(o, "unknown)\n");
+   return 0;
+   } else {
+   host1x_debug_cont(o, "[");
+   return *payload;
+   }
+
+   case HOST1X_OPCODE_GATHER_W:
+   host1x_debug_cont(o, "GATHER_W(count=%04x, addr=[",
+ val & 0x3fff);
+   return 2;
+
case HOST1X_OPCODE_EXTEND:
subop = val >> 24 & 0xf;
if (subop == HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK)
@@ -122,6 +170,7 @@ static void show_gather(struct output *o, phys_addr_t 
phys_addr,
/* Map dmaget cursor to corresponding mem handle */
u32 offset = phys_addr - pin_addr;
unsigned int data_count = 0, i;
+   u32 payload = INVALID_PAYLOAD;
 
/*
 * Sometimes we're given different hardware address to the same
@@ -139,7 +188,7 @@ static void show_gather(struct output *o, phys_addr_t 
phys_addr,
 
if (!data_count) {
host1x_debug_output(o, "%08x: %08x: ", addr, val);
-   data_count = show_channel_command(o, val);
+   data_count = show_channel_command(o, val, &payload);
} else {
host1x_debug_cont(o, "%08x%s", val,
data_count > 1 ? ", " : "])\n");
diff --git a/drivers/gpu/host1x/hw/debug_hw_1x01.c 
b/drivers/gpu/host1x/hw/debug_hw_1x01.c
index 09e1aa7bb5dd..7d1401c6c193 100644
--- a/drivers/gpu/host1x/hw/debug_hw_1x01.c
+++ b/drivers/gpu/host1x/hw/debug_hw_1x01.c
@@ -78,6 +78,7 @@ static void host1x_debug_show_channel_fifo(struct host1x 
*host,
   struct output *o)
 {
u32 val, rd_ptr, wr_ptr, start, end;
+   u32 payload = INVALID_PAYLOAD;
unsigned int data_count = 0;
 
host1x_debug_output(o, "%u: fifo:\n", ch->id);
@@ -112,7 +113,7 @@ static void host1x_debug_show_channel_fifo(struct host1x 
*host,
 
if (!data_count) {
host1x_debug_output(o, "%08x: ", val);
-