From 1e7911e653a267ffd71199cdf7afaf1cfed5bad0 Mon Sep 17 00:00:00 2001
From: xmr-stak-devs <email@example.com>
Date: Sun, 25 Mar 2018 13:21:57 +0100
Subject: XMR-Stak 2.3.0 RC

Co-authored-by: psychocrypt <psychocryptHPC@gmail.com>
Co-authored-by: fireice-uk <fireice-uk@users.noreply.github.com>
Co-authored-by: Lee Clagett <code@leeclagett.com>
Co-authored-by: curie-kief <curie-kief@users.noreply.github.com>
---
 xmrstak/backend/cryptonight.hpp | 125 +++++++++++++++++++++++++++++++++++++---
 1 file changed, 118 insertions(+), 7 deletions(-)

(limited to 'xmrstak/backend/cryptonight.hpp')

diff --git a/xmrstak/backend/cryptonight.hpp b/xmrstak/backend/cryptonight.hpp
index 0ef5ae7..fe10a9f 100644
--- a/xmrstak/backend/cryptonight.hpp
+++ b/xmrstak/backend/cryptonight.hpp
@@ -1,12 +1,123 @@
 #pragma once
+#include <stddef.h>
+#include <inttypes.h>
+#include <type_traits>
+
+enum xmrstak_algo 
+{
+	invalid_algo = 0,
+	cryptonight = 1,
+	cryptonight_lite = 2,
+	cryptonight_monero = 3,
+	cryptonight_heavy = 4
+};
 
 // define aeon settings
-#define AEON_MEMORY 1048576llu
-#define AEON_MASK 0xFFFF0
-#define AEON_ITER 0x40000
+constexpr size_t CRYPTONIGHT_LITE_MEMORY = 1 * 1024 * 1024;
+constexpr uint32_t CRYPTONIGHT_LITE_MASK = 0xFFFF0;
+constexpr uint32_t CRYPTONIGHT_LITE_ITER = 0x40000;
+
+constexpr size_t CRYPTONIGHT_MEMORY = 2 * 1024 * 1024;
+constexpr uint32_t CRYPTONIGHT_MASK = 0x1FFFF0;
+constexpr uint32_t CRYPTONIGHT_ITER = 0x80000;
+
+constexpr size_t CRYPTONIGHT_HEAVY_MEMORY = 4 * 1024 * 1024;
+constexpr uint32_t CRYPTONIGHT_HEAVY_MASK = 0x3FFFF0;
+constexpr uint32_t CRYPTONIGHT_HEAVY_ITER = 0x40000;
+
+template<xmrstak_algo ALGO>
+inline constexpr size_t cn_select_memory() { return 0; }
+
+template<>
+inline constexpr size_t cn_select_memory<cryptonight>() { return CRYPTONIGHT_MEMORY; }
+
+template<>
+inline constexpr size_t cn_select_memory<cryptonight_lite>() { return CRYPTONIGHT_LITE_MEMORY; }
+
+template<>
+inline constexpr size_t cn_select_memory<cryptonight_monero>() { return CRYPTONIGHT_MEMORY; }
+
+template<>
+inline constexpr size_t cn_select_memory<cryptonight_heavy>() { return CRYPTONIGHT_HEAVY_MEMORY; }
+
+
+inline size_t cn_select_memory(xmrstak_algo algo)
+{
+	switch(algo)
+	{
+	case cryptonight:
+		return CRYPTONIGHT_MEMORY;
+	case cryptonight_lite:
+		return CRYPTONIGHT_LITE_MEMORY;
+	case cryptonight_monero:
+		return CRYPTONIGHT_MEMORY;
+	case cryptonight_heavy:
+		return CRYPTONIGHT_HEAVY_MEMORY;
+	default:
+		return 0;
+	}
+}
+
+template<xmrstak_algo ALGO>
+inline constexpr uint32_t cn_select_mask() { return 0; }
+
+template<>
+inline constexpr uint32_t cn_select_mask<cryptonight>() { return CRYPTONIGHT_MASK; }
+
+template<>
+inline constexpr uint32_t cn_select_mask<cryptonight_lite>() { return CRYPTONIGHT_LITE_MASK; }
+
+template<>
+inline constexpr uint32_t cn_select_mask<cryptonight_monero>() { return CRYPTONIGHT_MASK; }
+
+template<>
+inline constexpr uint32_t cn_select_mask<cryptonight_heavy>() { return CRYPTONIGHT_HEAVY_MASK; }
+
+inline size_t cn_select_mask(xmrstak_algo algo)
+{
+	switch(algo)
+	{
+	case cryptonight:
+		return CRYPTONIGHT_MASK;
+	case cryptonight_lite:
+		return CRYPTONIGHT_LITE_MASK;
+	case cryptonight_monero:
+		return CRYPTONIGHT_MASK;
+	case cryptonight_heavy:
+		return CRYPTONIGHT_HEAVY_MASK;
+	default:
+		return 0;
+	}
+}
+
+template<xmrstak_algo ALGO>
+inline constexpr uint32_t cn_select_iter() { return 0; }
+
+template<>
+inline constexpr uint32_t cn_select_iter<cryptonight>() { return CRYPTONIGHT_ITER; }
+
+template<>
+inline constexpr uint32_t cn_select_iter<cryptonight_lite>() { return CRYPTONIGHT_LITE_ITER; }
+
+template<>
+inline constexpr uint32_t cn_select_iter<cryptonight_monero>() { return CRYPTONIGHT_ITER; }
 
-// define xmr settings
-#define MONERO_MEMORY 2097152llu
-#define MONERO_MASK 0x1FFFF0
-#define MONERO_ITER 0x80000
+template<>
+inline constexpr uint32_t cn_select_iter<cryptonight_heavy>() { return CRYPTONIGHT_HEAVY_ITER; }
 
+inline size_t cn_select_iter(xmrstak_algo algo)
+{
+	switch(algo)
+	{
+	case cryptonight:
+		return CRYPTONIGHT_ITER;
+	case cryptonight_lite:
+		return CRYPTONIGHT_LITE_ITER;
+	case cryptonight_monero:
+		return CRYPTONIGHT_ITER;
+	case cryptonight_heavy:
+		return CRYPTONIGHT_HEAVY_ITER;
+	default:
+		return 0;
+	}
+}
-- 
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