brams_init.py « gowin « techlibs - iCE40/yosys - clone of https://github.com/YosysHQ/yosys

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path: root/techlibs/gowin/brams_init.py

blob: b78eb8da5686bbb6b73240913bdbfb822baf45d2 (plain)

#!/usr/bin/env python3

with open("techlibs/gowin/bram_init_16.vh", "w") as f:
    for i in range(0, 0x40):
        low = i << 8
        hi = ((i+1) << 8)-1
        snippet = "INIT[%d:%d]" % (hi, low)
        print(".INIT_RAM_%02X({%s})," % (i, snippet), file=f)

Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -924,6 +924,13 @@ config CRYPTO_LZO
 	help
 	  This is the LZO algorithm.
 
+config CRYPTO_XZ
+	tristate "XZ compression algorithm"
+	select CRYPTO_ALGAPI
+	select XZ_DEC
+	help
+	  This is the XZ algorithm. Only decompression is supported for now.
+
 comment "Random Number Generation"
 
 config CRYPTO_ANSI_CPRNG
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -82,6 +82,7 @@ obj-$(CONFIG_CRYPTO_MICHAEL_MIC) += mich
 obj-$(CONFIG_CRYPTO_CRC32C) += crc32c.o
 obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.o authencesn.o
 obj-$(CONFIG_CRYPTO_LZO) += lzo.o
+obj-$(CONFIG_CRYPTO_XZ) += xz.o
 obj-$(CONFIG_CRYPTO_RNG2) += rng.o
 obj-$(CONFIG_CRYPTO_RNG2) += krng.o
 obj-$(CONFIG_CRYPTO_ANSI_CPRNG) += ansi_cprng.o
--- /dev/null
+++ b/crypto/xz.c
@@ -0,0 +1,117 @@
+/*
+ * Cryptographic API.
+ *
+ * XZ decompression support.
+ *
+ * Copyright (c) 2012 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/crypto.h>
+#include <linux/xz.h>
+#include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/net.h>
+
+struct xz_comp_ctx {
+	struct xz_dec	*decomp_state;
+	struct xz_buf	decomp_buf;
+};
+
+static int crypto_xz_decomp_init(struct xz_comp_ctx *ctx)
+{
+	ctx->decomp_state = xz_dec_init(XZ_SINGLE, 0);
+	if (!ctx->decomp_state)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static void crypto_xz_decomp_exit(struct xz_comp_ctx *ctx)
+{
+	xz_dec_end(ctx->decomp_state);
+}
+
+static int crypto_xz_init(struct crypto_tfm *tfm)
+{
+	struct xz_comp_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	return crypto_xz_decomp_init(ctx);
+}
+
+static void crypto_xz_exit(struct crypto_tfm *tfm)
+{
+	struct xz_comp_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	crypto_xz_decomp_exit(ctx);
+}
+
+static int crypto_xz_compress(struct crypto_tfm *tfm, const u8 *src,
+			      unsigned int slen, u8 *dst, unsigned int *dlen)
+{
+	return -EOPNOTSUPP;
+}
+
+static int crypto_xz_decompress(struct crypto_tfm *tfm, const u8 *src,
+				unsigned int slen, u8 *dst, unsigned int *dlen)
+{
+	struct xz_comp_ctx *dctx = crypto_tfm_ctx(tfm);
+	struct xz_buf *xz_buf = &dctx->decomp_buf;
+	int ret;
+
+	memset(xz_buf, '\0', sizeof(struct xz_buf));
+
+	xz_buf->in = (u8 *) src;
+	xz_buf->in_pos = 0;
+	xz_buf->in_size = slen;
+	xz_buf->out = (u8 *) dst;
+	xz_buf->out_pos = 0;
+	xz_buf->out_size = *dlen;
+
+	ret = xz_dec_run(dctx->decomp_state, xz_buf);
+	if (ret != XZ_STREAM_END) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	*dlen = xz_buf->out_pos;
+	ret = 0;
+
+out:
+	return ret;
+}
+
+static struct crypto_alg crypto_xz_alg = {
+	.cra_name		= "xz",
+	.cra_flags		= CRYPTO_ALG_TYPE_COMPRESS,
+	.cra_ctxsize		= sizeof(struct xz_comp_ctx),
+	.cra_module		= THIS_MODULE,
+	.cra_list		= LIST_HEAD_INIT(crypto_xz_alg.cra_list),
+	.cra_init		= crypto_xz_init,
+	.cra_exit		= crypto_xz_exit,
+	.cra_u			= { .compress = {
+	.coa_compress 		= crypto_xz_compress,
+	.coa_decompress  	= crypto_xz_decompress } }
+};
+
+static int __init crypto_xz_mod_init(void)
+{
+	return crypto_register_alg(&crypto_xz_alg);
+}
+
+static void __exit crypto_xz_mod_exit(void)
+{
+	crypto_unregister_alg(&crypto_xz_alg);
+}
+
+module_init(crypto_xz_mod_init);
+module_exit(crypto_xz_mod_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Crypto XZ decompression support");
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");