patch-2.4.19 linux-2.4.19/arch/ppc64/kernel/pacaData.c

• Lines: 121
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/ppc64/kernel/pacaData.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/ppc64/kernel/pacaData.c linux-2.4.19/arch/ppc64/kernel/pacaData.c
@@ -0,0 +1,120 @@
+/*
+ * c 2001 PPC 64 Team, IBM Corp
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ */
+
+#define __KERNEL__
+#include <asm/types.h>
+#include <asm/page.h>
+#include <stddef.h>
+#include <linux/config.h>
+#include <linux/threads.h>
+#include <asm/processor.h>
+#include <asm/ptrace.h>
+
+#include <asm/iSeries/ItLpPaca.h>
+#include <asm/naca.h>
+#include <asm/paca.h>
+
+struct naca_struct *naca;
+
+/* The Paca is an array with one entry per processor.  Each contains an 
+ * ItLpPaca, which contains the information shared between the 
+ * hypervisor and Linux.  Each also contains an ItLpRegSave area which
+ * is used by the hypervisor to save registers.
+ * On systems with hardware multi-threading, there are two threads
+ * per processor.  The Paca array must contain an entry for each thread.
+ * The VPD Areas will give a max logical processors = 2 * max physical
+ * processors.  The processor VPD array needs one entry per physical
+ * processor (not thread).
+ */
+#define PACAINITDATA(number,start,lpq,asrr,asrv) \
+{                                                                          \
+        xLpPacaPtr: &paca[number].xLpPaca,                                 \
+        xLpRegSavePtr: &paca[number].xRegSav,                              \
+        xPacaIndex: (number),           /* Paca Index        */             \
+        default_decr: 0x00ff0000,       /* Initial Decr      */             \
+        xStab_data: {                                                       \
+                real: (asrr),           /* Real pointer to segment table */ \
+                virt: (asrv),           /* Virt pointer to segment table */ \
+                next_round_robin: 1     /* Round robin index */             \
+        },                                                                  \
+        lpQueuePtr: (lpq),              /* &xItLpQueue,                  */ \
+        /* xRtas: {                                                            \
+                lock: SPIN_LOCK_UNLOCKED                                    \
+        }, */                                                                  \
+        xProcStart: (start),            /* Processor start */               \
+        xLpPaca: {                                                          \
+                xDesc: 0xd397d781,      /* "LpPa"          */               \
+                xSize: sizeof(struct ItLpPaca),                             \
+                xFPRegsInUse: 1,                                            \
+                xDynProcStatus: 2,                                          \
+		xDecrVal: 0x00ff0000,					    \
+                xEndOfQuantum: 0xffffffffffffffff                           \
+        },                                                                  \
+        xRegSav: {                                                          \
+                xDesc: 0xd397d9e2,      /* "LpRS"          */               \
+                xSize: sizeof(struct ItLpRegSave)                           \
+        },                                                                  \
+        exception_sp:                                                       \
+                (&paca[number].exception_stack[0]) - EXC_FRAME_SIZE,       \
+}
+
+struct paca_struct paca[MAX_PACAS] __page_aligned = {
+#ifdef CONFIG_PPC_ISERIES
+	PACAINITDATA( 0, 1, &xItLpQueue, 0, 0xc000000000005000),
+#else
+	PACAINITDATA( 0, 1, 0, 0x5000, 0xc000000000005000),
+#endif
+	PACAINITDATA( 1, 0, 0, 0, 0),
+	PACAINITDATA( 2, 0, 0, 0, 0),
+	PACAINITDATA( 3, 0, 0, 0, 0),
+	PACAINITDATA( 4, 0, 0, 0, 0),
+	PACAINITDATA( 5, 0, 0, 0, 0),
+	PACAINITDATA( 6, 0, 0, 0, 0),
+	PACAINITDATA( 7, 0, 0, 0, 0),
+	PACAINITDATA( 8, 0, 0, 0, 0),
+	PACAINITDATA( 9, 0, 0, 0, 0),
+	PACAINITDATA(10, 0, 0, 0, 0),
+	PACAINITDATA(11, 0, 0, 0, 0),
+	PACAINITDATA(12, 0, 0, 0, 0),
+	PACAINITDATA(13, 0, 0, 0, 0),
+	PACAINITDATA(14, 0, 0, 0, 0),
+	PACAINITDATA(15, 0, 0, 0, 0),
+	PACAINITDATA(16, 0, 0, 0, 0),
+	PACAINITDATA(17, 0, 0, 0, 0),
+	PACAINITDATA(18, 0, 0, 0, 0),
+	PACAINITDATA(19, 0, 0, 0, 0),
+	PACAINITDATA(20, 0, 0, 0, 0),
+	PACAINITDATA(21, 0, 0, 0, 0),
+	PACAINITDATA(22, 0, 0, 0, 0),
+	PACAINITDATA(23, 0, 0, 0, 0),
+	PACAINITDATA(24, 0, 0, 0, 0),
+	PACAINITDATA(25, 0, 0, 0, 0),
+	PACAINITDATA(26, 0, 0, 0, 0),
+	PACAINITDATA(27, 0, 0, 0, 0),
+	PACAINITDATA(28, 0, 0, 0, 0),
+	PACAINITDATA(29, 0, 0, 0, 0),
+	PACAINITDATA(30, 0, 0, 0, 0),
+	PACAINITDATA(31, 0, 0, 0, 0),
+	PACAINITDATA(32, 0, 0, 0, 0),
+	PACAINITDATA(33, 0, 0, 0, 0),
+	PACAINITDATA(34, 0, 0, 0, 0),
+	PACAINITDATA(35, 0, 0, 0, 0),
+	PACAINITDATA(36, 0, 0, 0, 0),
+	PACAINITDATA(37, 0, 0, 0, 0),
+	PACAINITDATA(38, 0, 0, 0, 0),
+	PACAINITDATA(39, 0, 0, 0, 0),
+	PACAINITDATA(40, 0, 0, 0, 0),
+	PACAINITDATA(41, 0, 0, 0, 0),
+	PACAINITDATA(42, 0, 0, 0, 0),
+	PACAINITDATA(43, 0, 0, 0, 0),
+	PACAINITDATA(44, 0, 0, 0, 0),
+	PACAINITDATA(45, 0, 0, 0, 0),
+	PACAINITDATA(46, 0, 0, 0, 0),
+	PACAINITDATA(47, 0, 0, 0, 0)
+};