From 5b102160ae1b8b8322ab106d454cb69fb563fbed Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 12 Jul 2017 13:15:34 -0700
Subject: broadcom/genxml: Introduce a V3D packet/struct decoder.

This is copied from Intel's XML decoder, modified to handle V3D's
byte-oriented packets.

v2: Squash in robher's fixes for Android
---
 src/broadcom/cle/v3d_decoder.h | 146 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 src/broadcom/cle/v3d_decoder.h

(limited to 'src/broadcom/cle/v3d_decoder.h')

diff --git a/src/broadcom/cle/v3d_decoder.h b/src/broadcom/cle/v3d_decoder.h
new file mode 100644
index 00000000000..541d877a9a7
--- /dev/null
+++ b/src/broadcom/cle/v3d_decoder.h
@@ -0,0 +1,146 @@
+/*
+ * Copyright © 2016 Intel Corporation
+ * Copyright © 2017 Broadcom
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef V3D_DECODER_H
+#define V3D_DECODER_H
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdbool.h>
+
+#include "broadcom/common/v3d_device_info.h"
+
+struct v3d_spec;
+struct v3d_group;
+struct v3d_field;
+
+struct v3d_group *v3d_spec_find_struct(struct v3d_spec *spec, const char *name);
+struct v3d_spec *v3d_spec_load(const struct v3d_device_info *devinfo);
+struct v3d_group *v3d_spec_find_instruction(struct v3d_spec *spec, const uint8_t *p);
+struct v3d_group *v3d_spec_find_register(struct v3d_spec *spec, uint32_t offset);
+struct v3d_group *v3d_spec_find_register_by_name(struct v3d_spec *spec, const char *name);
+int v3d_group_get_length(struct v3d_group *group);
+const char *v3d_group_get_name(struct v3d_group *group);
+uint8_t v3d_group_get_opcode(struct v3d_group *group);
+struct v3d_enum *v3d_spec_find_enum(struct v3d_spec *spec, const char *name);
+
+struct v3d_field_iterator {
+        struct v3d_group *group;
+        char name[128];
+        char value[128];
+        struct v3d_group *struct_desc;
+        const uint8_t *p;
+        int offset; /**< current field starts at &p[offset] */
+
+        int field_iter;
+        int group_iter;
+
+        struct v3d_field *field;
+        bool print_colors;
+};
+
+struct v3d_group {
+        struct v3d_spec *spec;
+        char *name;
+
+        struct v3d_field **fields;
+        uint32_t nfields;
+        uint32_t fields_size;
+
+        uint32_t group_offset, group_count;
+        uint32_t group_size;
+        bool variable;
+
+        struct v3d_group *parent;
+        struct v3d_group *next;
+
+        uint8_t opcode;
+
+        /* Register specific */
+        uint32_t register_offset;
+};
+
+struct v3d_value {
+        char *name;
+        uint64_t value;
+};
+
+struct v3d_enum {
+        char *name;
+        int nvalues;
+        struct v3d_value **values;
+};
+
+struct v3d_type {
+        enum {
+                V3D_TYPE_UNKNOWN,
+                V3D_TYPE_INT,
+                V3D_TYPE_UINT,
+                V3D_TYPE_BOOL,
+                V3D_TYPE_FLOAT,
+                V3D_TYPE_ADDRESS,
+                V3D_TYPE_OFFSET,
+                V3D_TYPE_STRUCT,
+                V3D_TYPE_UFIXED,
+                V3D_TYPE_SFIXED,
+                V3D_TYPE_MBO,
+                V3D_TYPE_ENUM
+        } kind;
+
+        /* Struct definition for V3D_TYPE_STRUCT */
+        union {
+                struct v3d_group *v3d_struct;
+                struct v3d_enum *v3d_enum;
+                struct {
+                        /* Integer and fractional sizes for V3D_TYPE_UFIXED and
+                         * V3D_TYPE_SFIXED
+                         */
+                        int i, f;
+                };
+        };
+};
+
+struct v3d_field {
+        char *name;
+        int start, end;
+        struct v3d_type type;
+        bool has_default;
+        uint32_t default_value;
+
+        struct v3d_enum inline_enum;
+};
+
+void v3d_field_iterator_init(struct v3d_field_iterator *iter,
+                             struct v3d_group *group,
+                             const uint8_t *p,
+                             bool print_colors);
+
+bool v3d_field_iterator_next(struct v3d_field_iterator *iter);
+
+void v3d_print_group(FILE *out,
+                     struct v3d_group *group,
+                     uint64_t offset, const uint8_t *p,
+                     bool color);
+
+#endif /* V3D_DECODER_H */
-- 
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