5 files changed, 108 insertions, 0 deletions
diff --git a/payloads/libpayload/include/mock/arch/barrier.h b/payloads/libpayload/include/mock/arch/barrier.h
new file mode 100644
index 0000000000..aed115bb64
--- /dev/null
+++ b/payloads/libpayload/include/mock/arch/barrier.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __ARCH_BARRIER_H__
+#define __ARCH_BARRIER_H__
+
+/* No memory barrier on mock build */
+#define mb()
+/* No read memory barrier on mock build */
+#define rmb()
+/* No write memory barrier on mock build */
+#define wmb()
+
+#endif /* __ARCH_BARRIER_H__ */
diff --git a/payloads/libpayload/include/mock/arch/cache.h b/payloads/libpayload/include/mock/arch/cache.h
new file mode 100644
index 0000000000..1e71d5e0e2
--- /dev/null
+++ b/payloads/libpayload/include/mock/arch/cache.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __ARCH_CACHE_H__
+#define __ARCH_CACHE_H__
+
+/* No support for cache in the mock architecture */
+
+#define dmb()
+#define dsb()
+#define dcache_clean_all()
+#define dcache_clean_by_mva(addr, len)
+#define dcache_invalidate_all()
+#define dcache_invalidate_by_mva(addr, len)
+#define dcache_clean_invalidate_all()
+#define dcache_clean_invalidate_by_mva(addr, len)
+#define cache_sync_instructions()
+
+#endif /* __ARCH_CACHE_H__ */
diff --git a/payloads/libpayload/include/mock/arch/io.h b/payloads/libpayload/include/mock/arch/io.h
new file mode 100644
index 0000000000..2bb625562e
--- /dev/null
+++ b/payloads/libpayload/include/mock/arch/io.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _ARCH_IO_H
+#define _ARCH_IO_H
+
+#include <inttypes.h>
+
+/* Functions in this file are unimplemented by default. Tests are expected to implement
+   mocks for these functions, if tests will call functions using functions listed below. */
+
+uint8_t readb(volatile const void *_a);
+uint16_t readw(volatile const void *_a);
+uint32_t readl(volatile const void *_a);
+
+void writeb(uint8_t _v, volatile void *_a);
+void writew(uint16_t _v, volatile void *_a);
+void writel(uint32_t _v, volatile void *_a);
+
+uint8_t read8(volatile const void *addr);
+uint16_t read16(volatile const void *addr);
+uint32_t read32(volatile const void *addr);
+uint64_t read64(volatile const void *addr);
+
+void write8(volatile void *addr, uint8_t val);
+void write16(volatile void *addr, uint16_t val);
+void write32(volatile void *addr, uint32_t val);
+void write64(volatile void *addr, uint64_t val);
+
+#endif /* _ARCH_IO_H */
diff --git a/payloads/libpayload/include/mock/arch/types.h b/payloads/libpayload/include/mock/arch/types.h
new file mode 100644
index 0000000000..8f090caa9b
--- /dev/null
+++ b/payloads/libpayload/include/mock/arch/types.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _ARCH_TYPES_H
+#define _ARCH_TYPES_H
+
+typedef unsigned char uint8_t;
+typedef unsigned char u8;
+typedef signed char int8_t;
+typedef signed char s8;
+
+typedef unsigned short uint16_t;
+typedef unsigned short u16;
+typedef signed short int16_t;
+typedef signed short s16;
+
+typedef unsigned int uint32_t;
+typedef unsigned int u32;
+typedef signed int int32_t;
+typedef signed int s32;
+
+typedef unsigned long long uint64_t;
+typedef unsigned long long u64;
+typedef signed long long int64_t;
+typedef signed long long s64;
+
+typedef long time_t;
+typedef long suseconds_t;
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+#endif /* _ARCH_TYPES_H */
diff --git a/payloads/libpayload/include/mock/arch/virtual.h b/payloads/libpayload/include/mock/arch/virtual.h
new file mode 100644
index 0000000000..bf786d5256
--- /dev/null
+++ b/payloads/libpayload/include/mock/arch/virtual.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _ARCH_VIRTUAL_H
+#define _ARCH_VIRTUAL_H
+
+/* virtual_offset has to be declared if used */
+extern unsigned long virtual_offset;
+
+#define virt_to_phys(virt) ((unsigned long)(virt) + virtual_offset)
+#define phys_to_virt(phys) ((void *)((unsigned long)(phys) - virtual_offset))
+
+#define virt_to_bus(addr) virt_to_phys(addr)
+#define bus_to_virt(addr) phys_to_virt(addr)
+
+#endif