Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 152 insertions, 0 deletions

diff --git a/include/lib/cpus/cpu_ops.h b/include/lib/cpus/cpu_ops.h
new file mode 100644
index 0000000..8b36ff1
--- /dev/null
+++ b/include/lib/cpus/cpu_ops.h
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2023, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CPU_OPS_H
+#define CPU_OPS_H
+
+#include <arch.h>
+
+#define CPU_IMPL_PN_MASK	(MIDR_IMPL_MASK << MIDR_IMPL_SHIFT) | \
+				(MIDR_PN_MASK << MIDR_PN_SHIFT)
+
+/* Hardcode to keep compatible with assembly. sizeof(uintptr_t) */
+#if __aarch64__
+#define CPU_WORD_SIZE			8
+#else
+#define CPU_WORD_SIZE			4
+#endif /* __aarch64__ */
+
+/* The number of CPU operations allowed */
+#define CPU_MAX_PWR_DWN_OPS		2
+/* Special constant to specify that CPU has no reset function */
+#define CPU_NO_RESET_FUNC		0
+
+#if __aarch64__
+#define CPU_NO_EXTRA1_FUNC		0
+#define CPU_NO_EXTRA2_FUNC		0
+#define CPU_NO_EXTRA3_FUNC		0
+#endif /* __aarch64__ */
+
+
+/*
+ * Define the sizes of the fields in the cpu_ops structure. Word size is set per
+ * Aarch so keep these definitions the same and each can include whatever it
+ * needs.
+ */
+#define CPU_MIDR_SIZE		CPU_WORD_SIZE
+#ifdef IMAGE_AT_EL3
+#define CPU_RESET_FUNC_SIZE	CPU_WORD_SIZE
+#else
+#define CPU_RESET_FUNC_SIZE	0
+#endif /* IMAGE_AT_EL3 */
+#define CPU_EXTRA1_FUNC_SIZE	CPU_WORD_SIZE
+#define CPU_EXTRA2_FUNC_SIZE	CPU_WORD_SIZE
+#define CPU_EXTRA3_FUNC_SIZE	CPU_WORD_SIZE
+#define CPU_E_HANDLER_FUNC_SIZE CPU_WORD_SIZE
+/* The power down core and cluster is needed only in BL31 and BL32 */
+#if defined(IMAGE_BL31) || defined(IMAGE_BL32)
+#define CPU_PWR_DWN_OPS_SIZE	CPU_WORD_SIZE * CPU_MAX_PWR_DWN_OPS
+#else
+#define CPU_PWR_DWN_OPS_SIZE	0
+#endif /* defined(IMAGE_BL31) || defined(IMAGE_BL32) */
+
+#define CPU_ERRATA_LIST_START_SIZE	CPU_WORD_SIZE
+#define CPU_ERRATA_LIST_END_SIZE	CPU_WORD_SIZE
+/* Fields required to print errata status  */
+#if REPORT_ERRATA
+#define CPU_ERRATA_FUNC_SIZE	CPU_WORD_SIZE
+#define CPU_CPU_STR_SIZE	CPU_WORD_SIZE
+/* BL1 doesn't require mutual exclusion and printed flag. */
+#if defined(IMAGE_BL31) || defined(IMAGE_BL32)
+#define CPU_ERRATA_LOCK_SIZE	CPU_WORD_SIZE
+#define CPU_ERRATA_PRINTED_SIZE	CPU_WORD_SIZE
+#else
+#define CPU_ERRATA_LOCK_SIZE	0
+#define CPU_ERRATA_PRINTED_SIZE	0
+#endif /* defined(IMAGE_BL31) || defined(IMAGE_BL32) */
+#else
+#define CPU_ERRATA_FUNC_SIZE	0
+#define CPU_CPU_STR_SIZE	0
+#define CPU_ERRATA_LOCK_SIZE	0
+#define CPU_ERRATA_PRINTED_SIZE	0
+#endif /* REPORT_ERRATA */
+
+#if defined(IMAGE_BL31) && CRASH_REPORTING
+#define CPU_REG_DUMP_SIZE	CPU_WORD_SIZE
+#else
+#define CPU_REG_DUMP_SIZE	0
+#endif /* defined(IMAGE_BL31) && CRASH_REPORTING */
+
+
+/*
+ * Define the offsets to the fields in cpu_ops structure. Every offset is
+ * defined based on the offset and size of the previous field.
+ */
+#define CPU_MIDR		0
+#define CPU_RESET_FUNC		CPU_MIDR + CPU_MIDR_SIZE
+#if __aarch64__
+#define CPU_EXTRA1_FUNC		CPU_RESET_FUNC + CPU_RESET_FUNC_SIZE
+#define CPU_EXTRA2_FUNC		CPU_EXTRA1_FUNC + CPU_EXTRA1_FUNC_SIZE
+#define CPU_EXTRA3_FUNC		CPU_EXTRA2_FUNC + CPU_EXTRA2_FUNC_SIZE
+#define CPU_E_HANDLER_FUNC	CPU_EXTRA3_FUNC + CPU_EXTRA3_FUNC_SIZE
+#define CPU_PWR_DWN_OPS		CPU_E_HANDLER_FUNC + CPU_E_HANDLER_FUNC_SIZE
+#else
+#define CPU_PWR_DWN_OPS		CPU_RESET_FUNC + CPU_RESET_FUNC_SIZE
+#endif /* __aarch64__ */
+#define CPU_ERRATA_LIST_START	CPU_PWR_DWN_OPS + CPU_PWR_DWN_OPS_SIZE
+#define CPU_ERRATA_LIST_END	CPU_ERRATA_LIST_START + CPU_ERRATA_LIST_START_SIZE
+#define CPU_ERRATA_FUNC		CPU_ERRATA_LIST_END + CPU_ERRATA_LIST_END_SIZE
+#define CPU_CPU_STR		CPU_ERRATA_FUNC + CPU_ERRATA_FUNC_SIZE
+#define CPU_ERRATA_LOCK		CPU_CPU_STR + CPU_CPU_STR_SIZE
+#define CPU_ERRATA_PRINTED	CPU_ERRATA_LOCK + CPU_ERRATA_LOCK_SIZE
+#if __aarch64__
+#define CPU_REG_DUMP		CPU_ERRATA_PRINTED + CPU_ERRATA_PRINTED_SIZE
+#define CPU_OPS_SIZE		CPU_REG_DUMP + CPU_REG_DUMP_SIZE
+#else
+#define CPU_OPS_SIZE		CPU_ERRATA_PRINTED + CPU_ERRATA_PRINTED_SIZE
+#endif /* __aarch64__ */
+
+#ifndef __ASSEMBLER__
+#include <lib/cassert.h>
+#include <lib/spinlock.h>
+
+struct cpu_ops {
+	unsigned long midr;
+#ifdef IMAGE_AT_EL3
+	void (*reset_func)(void);
+#endif /* IMAGE_AT_EL3 */
+#if __aarch64__
+	void (*extra1_func)(void);
+	void (*extra2_func)(void);
+	void (*extra3_func)(void);
+	void (*e_handler_func)(long es);
+#endif /* __aarch64__ */
+#if (defined(IMAGE_BL31) || defined(IMAGE_BL32)) && CPU_MAX_PWR_DWN_OPS
+	void (*pwr_dwn_ops[CPU_MAX_PWR_DWN_OPS])(void);
+#endif /* (defined(IMAGE_BL31) || defined(IMAGE_BL32)) && CPU_MAX_PWR_DWN_OPS */
+	void *errata_list_start;
+	void *errata_list_end;
+#if REPORT_ERRATA
+	void (*errata_func)(void);
+	char *cpu_str;
+#if defined(IMAGE_BL31) || defined(IMAGE_BL32)
+	spinlock_t *errata_lock;
+	unsigned int *errata_reported;
+#endif /* defined(IMAGE_BL31) || defined(IMAGE_BL32) */
+#endif /* REPORT_ERRATA */
+#if defined(IMAGE_BL31) && CRASH_REPORTING
+	void (*reg_dump)(void);
+#endif /* defined(IMAGE_BL31) && CRASH_REPORTING */
+} __packed;
+
+CASSERT(sizeof(struct cpu_ops) == CPU_OPS_SIZE,
+	assert_cpu_ops_asm_c_different_sizes);
+
+long cpu_get_rev_var(void);
+void *get_cpu_ops_ptr(void);
+
+#endif /* __ASSEMBLER__ */
+#endif /* CPU_OPS_H */