Move fw/LegacyBios.h to std/LegacyBios.h and remove csm.h.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
diff --git a/src/boot.c b/src/boot.c
index 1cb49d4..fbfbf34 100644
--- a/src/boot.c
+++ b/src/boot.c
@@ -9,7 +9,6 @@
 #include "bregs.h" // struct bregs
 #include "config.h" // CONFIG_*
 #include "disk.h" // cdrom_boot
-#include "fw/csm.h" // csm_bootprio_*
 #include "fw/paravirt.h" // qemu_cfg_show_boot_menu
 #include "hw/cmos.h" // inb_cmos
 #include "hw/pci.h" // pci_bdf_to_*
diff --git a/src/fw/csm.c b/src/fw/csm.c
index b98dc96..7829c1e 100644
--- a/src/fw/csm.c
+++ b/src/fw/csm.c
@@ -9,7 +9,6 @@
 #include "boot.h"
 #include "bregs.h"
 #include "config.h" // CONFIG_*
-#include "csm.h"
 #include "hw/pci.h"
 #include "hw/pic.h"
 #include "malloc.h" // csm_malloc_preinit
@@ -21,6 +20,11 @@
 #include "std/optionrom.h" // struct rom_header
 #include "util.h" // copy_smbios
 
+#define UINT8 u8
+#define UINT16 u16
+#define UINT32 u32
+#include "std/LegacyBios.h"
+
 struct rsdp_descriptor csm_rsdp VARFSEG __aligned(16);
 
 EFI_COMPATIBILITY16_TABLE csm_compat_table VARFSEG __aligned(16) = {
diff --git a/src/fw/csm.h b/src/fw/csm.h
deleted file mode 100644
index 997e3f7..0000000
--- a/src/fw/csm.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#ifndef __CSM_H
-#define __CSM_H
-
-#include "types.h"
-
-#define UINT8 u8
-#define UINT16 u16
-#define UINT32 u32
-
-// csm.c
-struct pci_device;
-int csm_bootprio_fdc(struct pci_device *pci, int port, int fdid);
-int csm_bootprio_ata(struct pci_device *pci, int chanid, int slave);
-int csm_bootprio_pci(struct pci_device *pci);
-
-#include "LegacyBios.h"
-
-#endif // __CSM_H
diff --git a/src/fw/LegacyBios.h b/src/std/LegacyBios.h
similarity index 100%
rename from src/fw/LegacyBios.h
rename to src/std/LegacyBios.h
diff --git a/src/util.h b/src/util.h
index 06483ba..dfd6faf 100644
--- a/src/util.h
+++ b/src/util.h
@@ -55,6 +55,12 @@
 void handle_1ab1(struct bregs *regs);
 void bios32_init(void);
 
+// fw/csm.c
+struct pci_device;
+int csm_bootprio_fdc(struct pci_device *pci, int port, int fdid);
+int csm_bootprio_ata(struct pci_device *pci, int chanid, int slave);
+int csm_bootprio_pci(struct pci_device *pci);
+
 // fw/shadow.c
 void make_bios_writable(void);
 void make_bios_readonly(void);
@@ -95,7 +101,6 @@
 
 // vgahooks.c
 void handle_155f(struct bregs *regs);
-struct pci_device;
 void vgahook_setup(struct pci_device *pci);
 
 // optionroms.c