package/cpuburn-arm: new package

cpuburn-arm burns CPU cycles to generate as much heat as possible.
Useful for stress testing.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
[yann.morin.1998@free.fr:
  - fix title  (Thomas)
  - simplify and rename _ARCH_SUPPORTS  (Thomas)
]
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

DEVELOPERS

@@ -276,6 +276,7 @@ N:	Baruch Siach <baruch@tkos.co.il>
 F:	board/solidrun/clearfog_gt_8k/
 F:	configs/solidrun_clearfog_gt_8k_defconfig
 F:	package/18xx-ti-utils/
+F:	package/cpuburn-arm/
 F:	package/daemon/
 F:	package/dropbear/
 F:	package/ebtables/

package/Config.in

@@ -418,6 +418,7 @@ endmenu
 	source "package/cbootimage/Config.in"
 	source "package/cc-tool/Config.in"
 	source "package/cdrkit/Config.in"
+	source "package/cpuburn-arm/Config.in"
 	source "package/cryptsetup/Config.in"
 	source "package/cwiid/Config.in"
 	source "package/dahdi-linux/Config.in"

package/cpuburn-arm/Config.in

@@ -0,0 +1,15 @@
+config BR2_PACKAGE_CPUBURN_ARM_ARCH_SUPPORTS
+	bool
+	default y if BR2_cortex_a7
+	default y if BR2_cortex_a8
+	default y if BR2_cortex_a9
+	default y if BR2_cortex_a53
+
+config BR2_PACKAGE_CPUBURN_ARM
+	bool "cpuburn-arm"
+	depends on BR2_PACKAGE_CPUBURN_ARM_ARCH_SUPPORTS
+	help
+	  Make ARM cores generate as much heat as possible. Supports
+	  Cortex A7/A8/A9/A53.
+
+	  https://github.com/ssvb/cpuburn-arm

package/cpuburn-arm/cpuburn-arm.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256 354381ec8c352e6c84875ac034004df44b0ed0ac097c400b8d2e47652815c3a2  cpuburn-arm-ad7e646700d14b81413297bda02fb7fe96613c3f.tar.gz
+sha256 47f10095a04d16c8d8d52598371fa01b6a6e87134083b9ec3c43d83ff8576f55  cpuburn-a7.S

package/cpuburn-arm/cpuburn-arm.mk

@@ -0,0 +1,31 @@
+################################################################################
+#
+# cpuburn-arm
+#
+################################################################################
+
+CPUBURN_ARM_VERSION = ad7e646700d14b81413297bda02fb7fe96613c3f
+CPUBURN_ARM_SITE = $(call github,ssvb,cpuburn-arm,$(CPUBURN_ARM_VERSION))
+CPUBURN_ARM_LICENSE = MIT
+CPUBURN_ARM_LICENSE_FILES = cpuburn-a7.S
+
+ifeq ($(BR2_cortex_a7),y)
+CPUBURN_ARM_SRC = cpuburn-a7.S
+else ifeq ($(BR2_cortex_a8),y)
+CPUBURN_ARM_SRC = cpuburn-a8.S
+else ifeq ($(BR2_cortex_a9),y)
+CPUBURN_ARM_SRC = cpuburn-a9.S
+else ifeq ($(BR2_cortex_a53),y)
+CPUBURN_ARM_SRC = cpuburn-a53.S
+endif
+
+define CPUBURN_ARM_BUILD_CMDS
+	$(TARGET_CC) $(TARGET_CFLAGS) -o $(@D)/cpuburn \
+		$(@D)/$(CPUBURN_ARM_SRC)
+endef
+
+define CPUBURN_ARM_INSTALL_TARGET_CMDS
+	$(INSTALL) -m 0755 $(@D)/cpuburn $(TARGET_DIR)/usr/bin/cpuburn
+endef
+
+$(eval $(generic-package))