#endif
/* Memory layout */
+//#ifdef _M_AMD64
+#define PML4_ADDRESS HEX(1000) /* One page PML4 page table */
+#define PDP_ADDRESS HEX(2000) /* One page PDP page table */
+#define PD_ADDRESS HEX(3000) /* One page PD page table */
+//#endif
#define STACK16ADDR HEX(6F00) /* The 16-bit stack top will be at 0000:6F00 */
#define BSS_START HEX(6F00)
-#define FREELDR_BASE HEX(8000)
-#define FREELDR_PE_BASE HEX(9000)
-#define STACK32ADDR HEX(78000) /* The 32-bit stack top will be at 7000:8000, or 0x78000 */
-#define BIOSCALLBUFFER HEX(78000) /* Buffer to store temporary data for any Int386() call */
-#define BIOSCALLBUFSEGMENT HEX(7800) /* Buffer to store temporary data for any Int386() call */
+#define FREELDR_BASE HEX(F800)
+#define FREELDR_PE_BASE HEX(10000)
+#define DISKREADBUFFER HEX(80000) /* Buffer to store data read in from the disk via the BIOS */
+#define STACKLOWLIMIT HEX(90000)
+#define STACK32ADDR HEX(98000) /* The 32-bit stack top will be at 9000:8000, or 0xA8000 */
+#define STACK64ADDR HEX(98000) /* The 64-bit stack top will be at 98000 */
+#define BIOSCALLBUFFER HEX(98000) /* Buffer to store temporary data for any Int386() call */
+#define DISKREADBUFFER_SIZE HEX(10000)
+
+#define BIOSCALLBUFSEGMENT (BIOSCALLBUFFER/16) /* Buffer to store temporary data for any Int386() call */
#define BIOSCALLBUFOFFSET HEX(0000) /* Buffer to store temporary data for any Int386() call */
-#define FILESYSBUFFER HEX(80000) /* Buffer to store file system data (e.g. cluster buffer for FAT) */
-#define DISKREADBUFFER HEX(90000) /* Buffer to store data read in from the disk via the BIOS */
-#define DISKREADBUFFER_SIZE 512
+#define BIOSCALLBUFSIZE PAGE_SIZE /* max is sizeof(VESA_SVGA_INFO) = 512 */
/* These addresses specify the realmode "BSS section" layout */
-#define BSS_RealModeEntry (BSS_START + 0)
-#define BSS_CallbackAddress (BSS_START + 4)
-#define BSS_CallbackReturn (BSS_START + 8)
-
-#define BSS_RegisterSet (BSS_START + 16) /* size = 36 */
-#define BSS_IntVector (BSS_START + 52)
-// next 52
-
-/* Layout of the REGS structure */
-#define REGS_EAX 0
-#define REGS_EBX 4
-#define REGS_ECX 8
-#define REGS_EDX 12
-#define REGS_ESI 16
-#define REGS_EDI 20
-#define REGS_DS 24
-#define REGS_ES 26
-#define REGS_FS 28
-#define REGS_GS 30
-#define REGS_EFLAGS 32
+#define BSS_RealModeEntry (BSS_START + 0)
+#define BSS_CallbackReturn (BSS_START + 4)
+#define BSS_RegisterSet (BSS_START + 8) /* size = 40 */
+#define BSS_IntVector (BSS_START + 52)
+#define BSS_PxeEntryPoint (BSS_START + 56)
+#define BSS_PxeBufferSegment (BSS_START + 60)
+#define BSS_PxeBufferOffset (BSS_START + 64)
+#define BSS_PxeFunction (BSS_START + 68)
+#define BSS_PxeResult (BSS_START + 72)
+#define BSS_PnpBiosEntryPoint (BSS_START + 76)
+#define BSS_PnpBiosDataSegment (BSS_START + 80)
+#define BSS_PnpBiosBufferSegment (BSS_START + 84)
+#define BSS_PnpBiosBufferOffset (BSS_START + 88)
+#define BSS_PnpNodeSize (BSS_START + 92)
+#define BSS_PnpNodeCount (BSS_START + 96)
+#define BSS_PnpNodeNumber (BSS_START + 100)
+#define BSS_PnpResult (BSS_START + 104)
+#define BSS_BootDrive (BSS_START + 108) // 1 byte
+#define BSS_BootPartition (BSS_START + 109) // 1 byte
-// Flag Masks
-#define I386FLAG_CF HEX(0001) // Carry Flag
-#define I386FLAG_RESV1 HEX(0002) // Reserved - Must be 1
-#define I386FLAG_PF HEX(0004) // Parity Flag
-#define I386FLAG_RESV2 HEX(0008) // Reserved - Must be 0
-#define I386FLAG_AF HEX(0010) // Auxiliary Flag
-#define I386FLAG_RESV3 HEX(0020) // Reserved - Must be 0
-#define I386FLAG_ZF HEX(0040) // Zero Flag
-#define I386FLAG_SF HEX(0080) // Sign Flag
-#define I386FLAG_TF HEX(0100) // Trap Flag (Single Step)
-#define I386FLAG_IF HEX(0200) // Interrupt Flag
-#define I386FLAG_DF HEX(0400) // Direction Flag
-#define I386FLAG_OF HEX(0800) // Overflow Flag
+/* Realmode function IDs */
+#define FNID_Int386 0
+#define FNID_Reboot 1
+#define FNID_ChainLoadBiosBootSectorCode 2
+#define FNID_PxeCallApi 3
+#define FNID_PnpBiosGetDeviceNodeCount 4
+#define FNID_PnpBiosGetDeviceNode 5
+#define FNID_BootLinuxKernel 6
+/* Flag Masks */
#define CR0_PE_SET HEX(00000001) /* OR this value with CR0 to enable pmode */
#define CR0_PE_CLR HEX(FFFFFFFE) /* AND this value with CR0 to disable pmode */
#define PMODE_DS HEX(10) /* PMode data selector, base 0 limit 4g */
#define RMODE_CS HEX(18) /* RMode code selector, base 0 limit 64k */
#define RMODE_DS HEX(20) /* RMode data selector, base 0 limit 64k */
+//#else
+/* Long mode selectors */
+#define LMODE_CS HEX(10)
+#define LMODE_DS HEX(18)
+#define CMODE_CS HEX(30)
//#endif
/* Makes "x" a global variable or label */
projects / reactos.git / blobdiff