x86: linker: add linker script for ish aon section

link aon code into special aon memory region by put aon object files into aon section. Signed-off-by: Leifu Zhao <[email protected]>
zephyrproject-rtos · Aug 18, 2023 · 45a4177 · 45a4177
1 parent 202a8ae
commit 45a4177
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diff --git a/dts/x86/intel/intel_ish5.dtsi b/dts/x86/intel/intel_ish5.dtsi
@@ -68,6 +68,13 @@
 		reg = <0xff200000 DT_SIZE_K(640)>;
 	};
 
+	aon: memory@ff800000 {
+		device_type = "memory";
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0xff800000 DT_SIZE_K(8)>;
+		zephyr,memory-region = "AON";
+	};
+
 	soc {
 		#address-cells = <1>;
 		#size-cells = <1>;

diff --git a/include/zephyr/arch/x86/ia32/linker.ld b/include/zephyr/arch/x86/ia32/linker.ld
@@ -87,6 +87,10 @@ SECTIONS
 	*(.iplt)
 	}
 
+#if defined(CONFIG_SOC_FAMILY_INTEL_ISH) && defined(CONFIG_PM)
+#include <zephyr/arch/x86/ia32/scripts/ish_aon.ld>
+#endif
+
 #ifdef CONFIG_LINKER_USE_BOOT_SECTION
 
 	SECTION_PROLOGUE(boot.text,,)

diff --git a/include/zephyr/arch/x86/ia32/scripts/ish_aon.ld b/include/zephyr/arch/x86/ia32/scripts/ish_aon.ld
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2023 Intel Corporation.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define AON_C_OBJECT_FILE_IN_SECT(lsect, objfile)			\
+        KEEP(*_intel_hal.a:objfile.c.obj(.##lsect))		\
+        KEEP(*_intel_hal.a:objfile.c.obj(.##lsect##.*))
+
+#define AON_S_OBJECT_FILE_IN_SECT(lsect, objfile)			\
+        KEEP(*_intel_hal.a:objfile.S.obj(.##lsect))		\
+        KEEP(*_intel_hal.a:objfile.S.obj(.##lsect##.*))
+
+#define AON_IN_SECT(lsect)						\
+        AON_C_OBJECT_FILE_IN_SECT(lsect, aon_task)			\
+        AON_C_OBJECT_FILE_IN_SECT(lsect, ish_dma)			\
+        AON_S_OBJECT_FILE_IN_SECT(lsect, ipapg)
+
+GROUP_START(AON)
+
+	SECTION_PROLOGUE(aon,,)
+	{
+		aon_start = .;
+		KEEP(*(.data.aon_share))
+		AON_IN_SECT(data)
+		AON_IN_SECT(text)
+		AON_IN_SECT(bss)
+		aon_end = .;
+	} GROUP_LINK_IN(AON)
+
+GROUP_END(AON)