Move headers under the hf directory.

This helps distinguish local headers from the more official headers.

Change-Id: I535c1b44081b9d60ba63666cd1ad514aaaf2c68d
diff --git a/src/alloc.c b/src/alloc.c
index cd6844a..0e4f468 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -1,7 +1,7 @@
-#include "alloc.h"
+#include "hf/alloc.h"
 
-#include "dlog.h"
-#include "spinlock.h"
+#include "hf/dlog.h"
+#include "hf/spinlock.h"
 
 static size_t alloc_base;
 static size_t alloc_limit;
diff --git a/src/api.c b/src/api.c
index f6895ca..4176941 100644
--- a/src/api.c
+++ b/src/api.c
@@ -1,7 +1,8 @@
-#include "api.h"
+#include "hf/api.h"
 
-#include "std.h"
-#include "vm.h"
+#include "hf/std.h"
+#include "hf/vm.h"
+
 #include "vmapi/hf/call.h"
 
 struct vm secondary_vm[MAX_VMS];
diff --git a/src/arch/aarch64/handler.c b/src/arch/aarch64/handler.c
index 7088216..d79ac4c 100644
--- a/src/arch/aarch64/handler.c
+++ b/src/arch/aarch64/handler.c
@@ -1,11 +1,12 @@
-#include "api.h"
-#include "cpu.h"
-#include "dlog.h"
-#include "psci.h"
-#include "vm.h"
+#include "hf/api.h"
+#include "hf/cpu.h"
+#include "hf/dlog.h"
+#include "hf/vm.h"
+
 #include "vmapi/hf/call.h"
 
 #include "msr.h"
+#include "psci.h"
 
 struct hvc_handler_return {
 	long user_ret;
diff --git a/src/arch/aarch64/inc/arch_addr.h b/src/arch/aarch64/inc/hf/arch/addr.h
similarity index 100%
rename from src/arch/aarch64/inc/arch_addr.h
rename to src/arch/aarch64/inc/hf/arch/addr.h
diff --git a/src/arch/aarch64/inc/arch_barriers.h b/src/arch/aarch64/inc/hf/arch/barriers.h
similarity index 100%
rename from src/arch/aarch64/inc/arch_barriers.h
rename to src/arch/aarch64/inc/hf/arch/barriers.h
diff --git a/src/arch/aarch64/inc/arch_cpu.h b/src/arch/aarch64/inc/hf/arch/cpu.h
similarity index 98%
rename from src/arch/aarch64/inc/arch_cpu.h
rename to src/arch/aarch64/inc/hf/arch/cpu.h
index 9aa96ef..1efc8b3 100644
--- a/src/arch/aarch64/inc/arch_cpu.h
+++ b/src/arch/aarch64/inc/hf/arch/cpu.h
@@ -6,7 +6,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include "addr.h"
+#include "hf/addr.h"
 
 struct arch_regs {
 	/* General purpose registers. */
diff --git a/src/arch/aarch64/inc/arch_mm.h b/src/arch/aarch64/inc/hf/arch/mm.h
similarity index 98%
rename from src/arch/aarch64/inc/arch_mm.h
rename to src/arch/aarch64/inc/hf/arch/mm.h
index e904dab..4a23074 100644
--- a/src/arch/aarch64/inc/arch_mm.h
+++ b/src/arch/aarch64/inc/hf/arch/mm.h
@@ -4,7 +4,7 @@
 #include <stdbool.h>
 #include <stddef.h>
 
-#include "addr.h"
+#include "hf/addr.h"
 
 /* A page table entry. */
 typedef uint64_t pte_t;
diff --git a/src/arch/aarch64/inc/vm/shutdown.h b/src/arch/aarch64/inc/hf/arch/vm/shutdown.h
similarity index 100%
rename from src/arch/aarch64/inc/vm/shutdown.h
rename to src/arch/aarch64/inc/hf/arch/vm/shutdown.h
diff --git a/src/arch/aarch64/inc/io.h b/src/arch/aarch64/io.h
similarity index 93%
rename from src/arch/aarch64/inc/io.h
rename to src/arch/aarch64/io.h
index 45b2924..18a9dec 100644
--- a/src/arch/aarch64/inc/io.h
+++ b/src/arch/aarch64/io.h
@@ -4,7 +4,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include "arch_barriers.h"
+#include "hf/arch/barriers.h"
 
 static inline uint32_t io_read(size_t addr)
 {
diff --git a/src/arch/aarch64/mm.c b/src/arch/aarch64/mm.c
index 7729491..29bad76 100644
--- a/src/arch/aarch64/mm.c
+++ b/src/arch/aarch64/mm.c
@@ -1,6 +1,9 @@
-#include "mm.h"
-#include "arch_cpu.h"
-#include "dlog.h"
+#include "hf/mm.h"
+
+#include "hf/arch/cpu.h"
+
+#include "hf/dlog.h"
+
 #include "msr.h"
 
 /* Keep macro alignment */
diff --git a/src/arch/aarch64/offsets.c b/src/arch/aarch64/offsets.c
index 8e7e9df..4c005df 100644
--- a/src/arch/aarch64/offsets.c
+++ b/src/arch/aarch64/offsets.c
@@ -2,8 +2,8 @@
 #include "offsets.h"
 #endif /* GEN_OFFSETS */
 
-#include "cpu.h"
-#include "decl_offsets.h"
+#include "hf/cpu.h"
+#include "hf/decl_offsets.h"
 
 DECL(CPU_CURRENT, struct cpu, current);
 DECL(CPU_STACK_BOTTOM, struct cpu, stack_bottom);
diff --git a/src/arch/aarch64/params.c b/src/arch/aarch64/params.c
index 00d181a..d4d709c 100644
--- a/src/arch/aarch64/params.c
+++ b/src/arch/aarch64/params.c
@@ -1,5 +1,5 @@
-#include "boot_params.h"
-#include "fdt_handler.h"
+#include "hf/boot_params.h"
+#include "hf/fdt_handler.h"
 
 /* This is set by entry.S. */
 uintpaddr_t fdt_addr;
diff --git a/src/arch/aarch64/pl011.c b/src/arch/aarch64/pl011.c
index cf2f465..de86f9d 100644
--- a/src/arch/aarch64/pl011.c
+++ b/src/arch/aarch64/pl011.c
@@ -1,4 +1,5 @@
-#include "dlog.h"
+#include "hf/dlog.h"
+
 #include "io.h"
 
 /* UART Data Register. */
diff --git a/src/arch/aarch64/inc/psci.h b/src/arch/aarch64/psci.h
similarity index 100%
rename from src/arch/aarch64/inc/psci.h
rename to src/arch/aarch64/psci.h
diff --git a/src/arch/aarch64/vm/shutdown.c b/src/arch/aarch64/vm/shutdown.c
index 8175cdf..6299880 100644
--- a/src/arch/aarch64/vm/shutdown.c
+++ b/src/arch/aarch64/vm/shutdown.c
@@ -1,8 +1,9 @@
-#include "vm/shutdown.h"
+#include "hf/arch/vm/shutdown.h"
 
-#include "psci.h"
 #include "vmapi/hf/call.h"
 
+#include "../psci.h"
+
 /*
  * Shutdown the system or exit emulation.
  */
diff --git a/src/cpio.c b/src/cpio.c
index c6db268..d613e54 100644
--- a/src/cpio.c
+++ b/src/cpio.c
@@ -1,8 +1,8 @@
-#include "cpio.h"
+#include "hf/cpio.h"
 
 #include <stdint.h>
 
-#include "std.h"
+#include "hf/std.h"
 
 #pragma pack(push, 1)
 struct cpio_header {
diff --git a/src/cpu.c b/src/cpu.c
index 5e179dd..217baea 100644
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -1,10 +1,11 @@
-#include "cpu.h"
+#include "hf/cpu.h"
 
-#include "api.h"
-#include "arch_cpu.h"
-#include "dlog.h"
-#include "std.h"
-#include "vm.h"
+#include "hf/arch/cpu.h"
+
+#include "hf/api.h"
+#include "hf/dlog.h"
+#include "hf/std.h"
+#include "hf/vm.h"
 
 /* The stack to be used by the CPUs. */
 alignas(2 * sizeof(size_t)) static char callstacks[STACK_SIZE * MAX_CPUS];
diff --git a/src/dlog.c b/src/dlog.c
index db619ee..7f4e935 100644
--- a/src/dlog.c
+++ b/src/dlog.c
@@ -1,11 +1,11 @@
-#include "dlog.h"
+#include "hf/dlog.h"
 
 #include <stdbool.h>
 #include <stddef.h>
 
-#include "arch.h"
-#include "spinlock.h"
-#include "std.h"
+#include "hf/arch.h"
+#include "hf/spinlock.h"
+#include "hf/std.h"
 
 /* Keep macro alignment */
 /* clang-format off */
diff --git a/src/fdt.c b/src/fdt.c
index faf42b3..6383164 100644
--- a/src/fdt.c
+++ b/src/fdt.c
@@ -1,9 +1,9 @@
-#include "fdt.h"
+#include "hf/fdt.h"
 
 #include <stdint.h>
 
-#include "dlog.h"
-#include "std.h"
+#include "hf/dlog.h"
+#include "hf/std.h"
 
 struct fdt_header {
 	uint32_t magic;
diff --git a/src/fdt_handler.c b/src/fdt_handler.c
index 06320e4..aaf193e 100644
--- a/src/fdt_handler.c
+++ b/src/fdt_handler.c
@@ -1,10 +1,10 @@
-#include "fdt_handler.h"
+#include "hf/fdt_handler.h"
 
-#include "boot_params.h"
-#include "dlog.h"
-#include "fdt.h"
-#include "mm.h"
-#include "std.h"
+#include "hf/boot_params.h"
+#include "hf/dlog.h"
+#include "hf/fdt.h"
+#include "hf/mm.h"
+#include "hf/std.h"
 
 static uint64_t convert_number(const char *data, uint32_t size)
 {
diff --git a/src/load.c b/src/load.c
index 44c282c..eb6074d 100644
--- a/src/load.c
+++ b/src/load.c
@@ -1,13 +1,13 @@
-#include "load.h"
+#include "hf/load.h"
 
 #include <stdbool.h>
 
-#include "api.h"
-#include "dlog.h"
-#include "memiter.h"
-#include "mm.h"
-#include "std.h"
-#include "vm.h"
+#include "hf/api.h"
+#include "hf/dlog.h"
+#include "hf/memiter.h"
+#include "hf/mm.h"
+#include "hf/std.h"
+#include "hf/vm.h"
 
 /**
  * Copies data to an unmapped location by mapping it for write, copying the
diff --git a/src/main.c b/src/main.c
index 0b21bbf..53f89bd 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2,16 +2,16 @@
 #include <stddef.h>
 #include <stdnoreturn.h>
 
-#include "alloc.h"
-#include "api.h"
-#include "boot_params.h"
-#include "cpio.h"
-#include "cpu.h"
-#include "dlog.h"
-#include "load.h"
-#include "mm.h"
-#include "std.h"
-#include "vm.h"
+#include "hf/alloc.h"
+#include "hf/api.h"
+#include "hf/boot_params.h"
+#include "hf/cpio.h"
+#include "hf/cpu.h"
+#include "hf/dlog.h"
+#include "hf/load.h"
+#include "hf/mm.h"
+#include "hf/std.h"
+#include "hf/vm.h"
 
 char ptable_buf[PAGE_SIZE * 40];
 
diff --git a/src/memiter.c b/src/memiter.c
index 6dd9d8c..57cf98b 100644
--- a/src/memiter.c
+++ b/src/memiter.c
@@ -1,6 +1,6 @@
-#include "memiter.h"
+#include "hf/memiter.h"
 
-#include "std.h"
+#include "hf/std.h"
 
 /**
  * Initialises the given memory iterator.
diff --git a/src/mm.c b/src/mm.c
index b4ef264..d3b6a46 100644
--- a/src/mm.c
+++ b/src/mm.c
@@ -1,11 +1,11 @@
-#include "mm.h"
+#include "hf/mm.h"
 
 #include <assert.h>
 #include <stdatomic.h>
 #include <stdint.h>
 
-#include "alloc.h"
-#include "dlog.h"
+#include "hf/alloc.h"
+#include "hf/dlog.h"
 
 /* The type of addresses stored in the page table. */
 typedef uintvaddr_t ptable_addr_t;
diff --git a/src/std.c b/src/std.c
index 9ea1591..6d26bef 100644
--- a/src/std.c
+++ b/src/std.c
@@ -1,4 +1,4 @@
-#include "std.h"
+#include "hf/std.h"
 
 void *memset(void *s, int c, size_t n)
 {
diff --git a/src/vm.c b/src/vm.c
index 1eafb63..963531a 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1,8 +1,8 @@
-#include "vm.h"
+#include "hf/vm.h"
 
-#include "api.h"
-#include "cpu.h"
-#include "std.h"
+#include "hf/api.h"
+#include "hf/cpu.h"
+#include "hf/std.h"
 
 bool vm_init(struct vm *vm, uint32_t id, uint32_t vcpu_count)
 {