kqemu API change - allow use of kqemu with 32 bit QEMU on a 64 bit host

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4628 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 70 insertions, 48 deletions

diff --git a/kqemu.h b/kqemu.h
index 7b43057..ed25c75 100644
--- a/kqemu.h
+++ b/kqemu.h
@@ -1,8 +1,8 @@
 /*
  * KQEMU header
- *
- * Copyright (c) 2004-2006 Fabrice Bellard
- *
+ * 
+ * Copyright (c) 2004-2008 Fabrice Bellard
+ * 
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
@@ -24,25 +24,27 @@
 #ifndef KQEMU_H
 #define KQEMU_H
 
-#define KQEMU_VERSION 0x010300
+#if defined(__i386__)
+#define KQEMU_PAD32(x) x
+#else
+#define KQEMU_PAD32(x)
+#endif
+
+#define KQEMU_VERSION 0x010400
 
 struct kqemu_segment_cache {
-    uint32_t selector;
-    unsigned long base;
-    uint32_t limit;
+    uint16_t selector;
+    uint16_t padding1;
     uint32_t flags;
+    uint64_t base;
+    uint32_t limit;
+    uint32_t padding2;
 };
 
 struct kqemu_cpu_state {
-#ifdef __x86_64__
-    unsigned long regs[16];
-#else
-    unsigned long regs[8];
-#endif
-    unsigned long eip;
-    unsigned long eflags;
-
-    uint32_t dummy0, dummy1, dumm2, dummy3, dummy4;
+    uint64_t regs[16];
+    uint64_t eip;
+    uint64_t eflags;
 
     struct kqemu_segment_cache segs[6]; /* selector values */
     struct kqemu_segment_cache ldt;
@@ -50,63 +52,81 @@ struct kqemu_cpu_state {
     struct kqemu_segment_cache gdt; /* only base and limit are used */
     struct kqemu_segment_cache idt; /* only base and limit are used */
 
-    unsigned long cr0;
-    unsigned long dummy5;
-    unsigned long cr2;
-    unsigned long cr3;
-    unsigned long cr4;
-    uint32_t a20_mask;
+    uint64_t cr0;
+    uint64_t cr2;
+    uint64_t cr3;
+    uint64_t cr4;
+    uint64_t a20_mask;
 
     /* sysenter registers */
-    uint32_t sysenter_cs;
-    uint32_t sysenter_esp;
-    uint32_t sysenter_eip;
-    uint64_t efer __attribute__((aligned(8)));
+    uint64_t sysenter_cs;
+    uint64_t sysenter_esp;
+    uint64_t sysenter_eip;
+    uint64_t efer;
     uint64_t star;
-#ifdef __x86_64__
-    unsigned long lstar;
-    unsigned long cstar;
-    unsigned long fmask;
-    unsigned long kernelgsbase;
-#endif
+    
+    uint64_t lstar;
+    uint64_t cstar;
+    uint64_t fmask;
+    uint64_t kernelgsbase;
+
     uint64_t tsc_offset;
 
-    unsigned long dr0;
-    unsigned long dr1;
-    unsigned long dr2;
-    unsigned long dr3;
-    unsigned long dr6;
-    unsigned long dr7;
+    uint64_t dr0;
+    uint64_t dr1;
+    uint64_t dr2;
+    uint64_t dr3;
+    uint64_t dr6;
+    uint64_t dr7;
 
     uint8_t cpl;
     uint8_t user_only;
+    uint16_t padding1;
 
     uint32_t error_code; /* error_code when exiting with an exception */
-    unsigned long next_eip; /* next eip value when exiting with an interrupt */
-    unsigned int nb_pages_to_flush; /* number of pages to flush,
+    uint64_t next_eip; /* next eip value when exiting with an interrupt */
+    uint32_t nb_pages_to_flush; /* number of pages to flush,
                                        KQEMU_FLUSH_ALL means full flush */
 #define KQEMU_MAX_PAGES_TO_FLUSH 512
 #define KQEMU_FLUSH_ALL (KQEMU_MAX_PAGES_TO_FLUSH + 1)
 
-    long retval;
+    int32_t retval;
 
     /* number of ram_dirty entries to update */
-    unsigned int nb_ram_pages_to_update;
+    uint32_t nb_ram_pages_to_update; 
 #define KQEMU_MAX_RAM_PAGES_TO_UPDATE 512
 #define KQEMU_RAM_PAGES_UPDATE_ALL (KQEMU_MAX_RAM_PAGES_TO_UPDATE + 1)
 
 #define KQEMU_MAX_MODIFIED_RAM_PAGES 512
-    unsigned int nb_modified_ram_pages;
+    uint32_t nb_modified_ram_pages;
 };
 
 struct kqemu_init {
     uint8_t *ram_base; /* must be page aligned */
-    unsigned long ram_size; /* must be multiple of 4 KB */
+    KQEMU_PAD32(uint32_t padding1;)
+    uint64_t ram_size; /* must be multiple of 4 KB */
     uint8_t *ram_dirty; /* must be page aligned */
-    uint32_t **phys_to_ram_map; /* must be page aligned */
-    unsigned long *pages_to_flush; /* must be page aligned */
-    unsigned long *ram_pages_to_update; /* must be page aligned */
-    unsigned long *modified_ram_pages; /* must be page aligned */
+    KQEMU_PAD32(uint32_t padding2;)
+    uint64_t *pages_to_flush; /* must be page aligned */
+    KQEMU_PAD32(uint32_t padding4;)
+    uint64_t *ram_pages_to_update; /* must be page aligned */
+    KQEMU_PAD32(uint32_t padding5;)
+    uint64_t *modified_ram_pages; /* must be page aligned */
+    KQEMU_PAD32(uint32_t padding6;)
+};
+
+#define KQEMU_IO_MEM_RAM        0
+#define KQEMU_IO_MEM_ROM        1
+#define KQEMU_IO_MEM_COMM       2 /* kqemu communication page */
+#define KQEMU_IO_MEM_UNASSIGNED 3 /* any device: return to application */
+
+struct kqemu_phys_mem {
+    uint64_t phys_addr; /* physical address range: phys_addr,
+                           phys_addr + size */
+    uint64_t size;        
+    uint64_t ram_addr;  /* corresponding ram address */
+    uint32_t io_index;  /* memory type: see KQEMU_IO_MEM_xxx */
+    uint32_t padding1;
 };
 
 #define KQEMU_RET_ABORT    (-1)
@@ -122,11 +142,13 @@ struct kqemu_init {
 #define KQEMU_INIT             CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_BUFFERED, FILE_WRITE_ACCESS)
 #define KQEMU_GET_VERSION      CTL_CODE(FILE_DEVICE_UNKNOWN, 3, METHOD_BUFFERED, FILE_READ_ACCESS)
 #define KQEMU_MODIFY_RAM_PAGES CTL_CODE(FILE_DEVICE_UNKNOWN, 4, METHOD_BUFFERED, FILE_WRITE_ACCESS)
+#define KQEMU_SET_PHYS_MEM     CTL_CODE(FILE_DEVICE_UNKNOWN, 5, METHOD_BUFFERED, FILE_WRITE_ACCESS)
 #else
 #define KQEMU_EXEC             _IOWR('q', 1, struct kqemu_cpu_state)
 #define KQEMU_INIT             _IOW('q', 2, struct kqemu_init)
 #define KQEMU_GET_VERSION      _IOR('q', 3, int)
 #define KQEMU_MODIFY_RAM_PAGES _IOW('q', 4, int)
+#define KQEMU_SET_PHYS_MEM     _IOW('q', 5, struct kqemu_phys_mem)
 #endif
 
 #endif /* KQEMU_H */