chore: rename hunter_elp to cortex-x4

Rename hunter_elp to cortex-x4

Change-Id: I78c8c009d7bee14b4793dc1d950ed81273216831
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
diff --git a/include/lib/cpus/aarch64/cortex_hunter_elp_arm.h b/include/lib/cpus/aarch64/cortex_hunter_elp_arm.h
deleted file mode 100644
index f9bb0f3..0000000
--- a/include/lib/cpus/aarch64/cortex_hunter_elp_arm.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (c) 2022, Arm Limited. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#ifndef CORTEX_HUNTER_ELP_ARM_H
-#define CORTEX_HUNTER_ELP_ARM_H
-
-#define CORTEX_HUNTER_ELP_ARM_MIDR					U(0x410FD821)
-
-/* Cortex Hunter ELP loop count for CVE-2022-23960 mitigation */
-#define CORTEX_HUNTER_ELP_ARM_BHB_LOOP_COUNT				U(132)
-
-/*******************************************************************************
- * CPU Extended Control register specific definitions
- ******************************************************************************/
-#define CORTEX_HUNTER_ELP_ARM_CPUECTLR_EL1				S3_0_C15_C1_4
-
-/*******************************************************************************
- * CPU Power Control register specific definitions
- ******************************************************************************/
-#define CORTEX_HUNTER_ELP_ARM_CPUPWRCTLR_EL1				S3_0_C15_C2_7
-#define CORTEX_HUNTER_ELP_ARM_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
-
-#endif /* CORTEX_HUNTER_ELP_ARM_H */
diff --git a/include/lib/cpus/aarch64/cortex_x4.h b/include/lib/cpus/aarch64/cortex_x4.h
new file mode 100644
index 0000000..17d07c8
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_x4.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2022-2023, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_X4_H
+#define CORTEX_X4_H
+
+#define CORTEX_X4_MIDR					U(0x410FD821)
+
+/* Cortex X4 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_X4_BHB_LOOP_COUNT			U(132)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_X4_CPUECTLR_EL1				S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_X4_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+#define CORTEX_X4_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
+
+#endif /* CORTEX_X4_H */
diff --git a/lib/cpus/aarch64/cortex_hunter_elp_arm.S b/lib/cpus/aarch64/cortex_hunter_elp_arm.S
deleted file mode 100644
index 5f86d4e..0000000
--- a/lib/cpus/aarch64/cortex_hunter_elp_arm.S
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright (c) 2022, Arm Limited. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <arch.h>
-#include <asm_macros.S>
-#include <common/bl_common.h>
-#include <cortex_hunter_elp_arm.h>
-#include <cpu_macros.S>
-#include <plat_macros.S>
-#include "wa_cve_2022_23960_bhb_vector.S"
-
-/* Hardware handled coherency */
-#if HW_ASSISTED_COHERENCY == 0
-#error "Cortex Hunter ELP must be compiled with HW_ASSISTED_COHERENCY enabled"
-#endif
-
-/* 64-bit only core */
-#if CTX_INCLUDE_AARCH32_REGS == 1
-#error "Cortex Hunter ELP supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0"
-#endif
-
-#if WORKAROUND_CVE_2022_23960
-        wa_cve_2022_23960_bhb_vector_table CORTEX_HUNTER_ELP_ARM_BHB_LOOP_COUNT, cortex_hunter_elp_arm
-#endif /* WORKAROUND_CVE_2022_23960 */
-
-func check_errata_cve_2022_23960
-#if WORKAROUND_CVE_2022_23960
-	mov	x0, #ERRATA_APPLIES
-#else
-	mov	x0, #ERRATA_MISSING
-#endif
-	ret
-endfunc check_errata_cve_2022_23960
-
-func cortex_hunter_elp_arm_reset_func
-	/* Disable speculative loads */
-	msr	SSBS, xzr
-
-#if IMAGE_BL31 && WORKAROUND_CVE_2022_23960
-	/*
-	 * The Cortex Hunter ELP generic vectors are overridden to apply errata
-	 * mitigation on exception entry from lower ELs.
-	 */
-	adr	x0, wa_cve_vbar_cortex_hunter_elp_arm
-	msr	vbar_el3, x0
-#endif /* IMAGE_BL31 && WORKAROUND_CVE_2022_23960 */
-
-	isb
-	ret
-endfunc cortex_hunter_elp_arm_reset_func
-
-	/* ----------------------------------------------------
-	 * HW will do the cache maintenance while powering down
-	 * ----------------------------------------------------
-	 */
-func cortex_hunter_elp_arm_core_pwr_dwn
-	/* ---------------------------------------------------
-	 * Enable CPU power down bit in power control register
-	 * ---------------------------------------------------
-	 */
-	mrs	x0, CORTEX_HUNTER_ELP_ARM_CPUPWRCTLR_EL1
-	orr	x0, x0, #CORTEX_HUNTER_ELP_ARM_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
-	msr	CORTEX_HUNTER_ELP_ARM_CPUPWRCTLR_EL1, x0
-	isb
-	ret
-endfunc cortex_hunter_elp_arm_core_pwr_dwn
-
-#if REPORT_ERRATA
-/*
- * Errata printing function for Cortex Hunter ELP. Must follow AAPCS.
- */
-func cortex_hunter_elp_arm_errata_report
-	stp	x8, x30, [sp, #-16]!
-
-	bl	cpu_get_rev_var
-	mov	x8, x0
-
-	/*
-	 * Report all errata. The revision-variant information is passed to
-	 * checking functions of each errata.
-	 */
-	report_errata WORKAROUND_CVE_2022_23960, cortex_hunter_elp_arm, cve_2022_23960
-
-	ldp	x8, x30, [sp], #16
-	ret
-endfunc cortex_hunter_elp_arm_errata_report
-#endif
-
-	/* ---------------------------------------------
-	 * This function provides Cortex Hunter ELP-specific
-	 * register information for crash reporting.
-	 * It needs to return with x6 pointing to
-	 * a list of register names in ascii and
-	 * x8 - x15 having values of registers to be
-	 * reported.
-	 * ---------------------------------------------
-	 */
-.section .rodata.cortex_hunter_elp_arm_regs, "aS"
-cortex_hunter_elp_arm_regs:  /* The ascii list of register names to be reported */
-	.asciz	"cpuectlr_el1", ""
-
-func cortex_hunter_elp_arm_cpu_reg_dump
-	adr	x6, cortex_hunter_elp_arm_regs
-	mrs	x8, CORTEX_HUNTER_ELP_ARM_CPUECTLR_EL1
-	ret
-endfunc cortex_hunter_elp_arm_cpu_reg_dump
-
-declare_cpu_ops cortex_hunter_elp_arm, CORTEX_HUNTER_ELP_ARM_MIDR, \
-	cortex_hunter_elp_arm_reset_func, \
-	cortex_hunter_elp_arm_core_pwr_dwn
diff --git a/lib/cpus/aarch64/cortex_x4.S b/lib/cpus/aarch64/cortex_x4.S
new file mode 100644
index 0000000..db87008
--- /dev/null
+++ b/lib/cpus/aarch64/cortex_x4.S
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2022-2023, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <common/bl_common.h>
+#include <cortex_x4.h>
+#include <cpu_macros.S>
+#include <plat_macros.S>
+#include "wa_cve_2022_23960_bhb_vector.S"
+
+/* Hardware handled coherency */
+#if HW_ASSISTED_COHERENCY == 0
+#error "Cortex X4 must be compiled with HW_ASSISTED_COHERENCY enabled"
+#endif
+
+/* 64-bit only core */
+#if CTX_INCLUDE_AARCH32_REGS == 1
+#error "Cortex X4 supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0"
+#endif
+
+#if WORKAROUND_CVE_2022_23960
+        wa_cve_2022_23960_bhb_vector_table CORTEX_X4_BHB_LOOP_COUNT, cortex_x4
+#endif /* WORKAROUND_CVE_2022_23960 */
+
+func check_errata_cve_2022_23960
+#if WORKAROUND_CVE_2022_23960
+	mov	x0, #ERRATA_APPLIES
+#else
+	mov	x0, #ERRATA_MISSING
+#endif
+	ret
+endfunc check_errata_cve_2022_23960
+
+func cortex_x4_reset_func
+	/* Disable speculative loads */
+	msr	SSBS, xzr
+
+#if IMAGE_BL31 && WORKAROUND_CVE_2022_23960
+	/*
+	 * The Cortex X4 generic vectors are overridden to apply errata
+	 * mitigation on exception entry from lower ELs.
+	 */
+	adr	x0, wa_cve_vbar_cortex_x4
+	msr	vbar_el3, x0
+#endif /* IMAGE_BL31 && WORKAROUND_CVE_2022_23960 */
+
+	isb
+	ret
+endfunc cortex_x4_reset_func
+
+	/* ----------------------------------------------------
+	 * HW will do the cache maintenance while powering down
+	 * ----------------------------------------------------
+	 */
+func cortex_x4_core_pwr_dwn
+	/* ---------------------------------------------------
+	 * Enable CPU power down bit in power control register
+	 * ---------------------------------------------------
+	 */
+	mrs	x0, CORTEX_X4_CPUPWRCTLR_EL1
+	orr	x0, x0, #CORTEX_X4_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
+	msr	CORTEX_X4_CPUPWRCTLR_EL1, x0
+	isb
+	ret
+endfunc cortex_x4_core_pwr_dwn
+
+#if REPORT_ERRATA
+/*
+ * Errata printing function for Cortex X4. Must follow AAPCS.
+ */
+func cortex_x4_errata_report
+	stp	x8, x30, [sp, #-16]!
+
+	bl	cpu_get_rev_var
+	mov	x8, x0
+
+	/*
+	 * Report all errata. The revision-variant information is passed to
+	 * checking functions of each errata.
+	 */
+	report_errata WORKAROUND_CVE_2022_23960, cortex_x4, cve_2022_23960
+
+	ldp	x8, x30, [sp], #16
+	ret
+endfunc cortex_x4_errata_report
+#endif
+
+	/* ---------------------------------------------
+	 * This function provides Cortex X4-specific
+	 * register information for crash reporting.
+	 * It needs to return with x6 pointing to
+	 * a list of register names in ascii and
+	 * x8 - x15 having values of registers to be
+	 * reported.
+	 * ---------------------------------------------
+	 */
+.section .rodata.cortex_x4_regs, "aS"
+cortex_x4_regs:  /* The ascii list of register names to be reported */
+	.asciz	"cpuectlr_el1", ""
+
+func cortex_x4_cpu_reg_dump
+	adr	x6, cortex_x4_regs
+	mrs	x8, CORTEX_X4_CPUECTLR_EL1
+	ret
+endfunc cortex_x4_cpu_reg_dump
+
+declare_cpu_ops cortex_x4, CORTEX_X4_MIDR, \
+	cortex_x4_reset_func, \
+	cortex_x4_core_pwr_dwn
diff --git a/plat/arm/board/arm_fpga/platform.mk b/plat/arm/board/arm_fpga/platform.mk
index f88eaa8..d6622c0 100644
--- a/plat/arm/board/arm_fpga/platform.mk
+++ b/plat/arm/board/arm_fpga/platform.mk
@@ -58,18 +58,18 @@
 				lib/cpus/aarch64/cortex_a73.S
 else
 # AArch64-only cores
-	FPGA_CPU_LIBS	+=lib/cpus/aarch64/cortex_a510.S		\
-				lib/cpus/aarch64/cortex_a710.S				\
-				lib/cpus/aarch64/cortex_a715.S				\
-				lib/cpus/aarch64/cortex_x3.S 				\
+	FPGA_CPU_LIBS	+=	lib/cpus/aarch64/cortex_a510.S			\
+				lib/cpus/aarch64/cortex_a710.S			\
+				lib/cpus/aarch64/cortex_a715.S			\
+				lib/cpus/aarch64/cortex_x3.S 			\
+				lib/cpus/aarch64/cortex_x4.S			\
 				lib/cpus/aarch64/neoverse_n_common.S		\
-				lib/cpus/aarch64/neoverse_n1.S				\
-				lib/cpus/aarch64/neoverse_n2.S				\
-				lib/cpus/aarch64/neoverse_v1.S				\
-				lib/cpus/aarch64/cortex_hayes.S				\
-				lib/cpus/aarch64/cortex_hunter.S			\
-				lib/cpus/aarch64/cortex_hunter_elp_arm.S	\
-				lib/cpus/aarch64/cortex_chaberton.S			\
+				lib/cpus/aarch64/neoverse_n1.S			\
+				lib/cpus/aarch64/neoverse_n2.S			\
+				lib/cpus/aarch64/neoverse_v1.S			\
+				lib/cpus/aarch64/cortex_hayes.S			\
+				lib/cpus/aarch64/cortex_hunter.S		\
+				lib/cpus/aarch64/cortex_chaberton.S		\
 				lib/cpus/aarch64/cortex_blackhawk.S
 
 # AArch64/AArch32 cores
diff --git a/plat/arm/board/tc/platform.mk b/plat/arm/board/tc/platform.mk
index d383ead..1bde94e 100644
--- a/plat/arm/board/tc/platform.mk
+++ b/plat/arm/board/tc/platform.mk
@@ -80,7 +80,7 @@
 ifeq (${TARGET_PLATFORM}, 2)
 TC_CPU_SOURCES	+=	lib/cpus/aarch64/cortex_hayes.S \
 			lib/cpus/aarch64/cortex_hunter.S \
-			lib/cpus/aarch64/cortex_hunter_elp_arm.S
+			lib/cpus/aarch64/cortex_x4.S
 endif
 
 INTERCONNECT_SOURCES	:=	${TC_BASE}/tc_interconnect.c