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

Next file: linux-2.4.19/arch/ppc64/kernel/nvram.c
Previous file: linux-2.4.19/arch/ppc64/kernel/misc.S
Back to the patch index
Back to the overall index

diff -urN linux-2.4.18/arch/ppc64/kernel/mk_defs.c linux-2.4.19/arch/ppc64/kernel/mk_defs.c
@@ -0,0 +1,160 @@
+/*
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * We use the technique used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ *
+ * 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.
+ */
+
+#include <stddef.h>
+#include <linux/config.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/ptrace.h>
+#include <linux/mman.h>
+#include <linux/mm.h>
+#include <asm/io.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/processor.h>
+#include <asm/hardirq.h>
+
+#include <asm/naca.h>
+#include <asm/paca.h>
+#include <asm/iSeries/ItLpPaca.h>
+#include <asm/iSeries/ItLpQueue.h>
+#include <asm/iSeries/HvLpEvent.h>
+#include <asm/prom.h>
+#include <asm/rtas.h>
+
+#define DEFINE(sym, val) \
+	        asm volatile("\n#define\t" #sym "\t%0" : : "i" (val))
+
+int
+main(void)
+{
+	DEFINE(SIGPENDING, offsetof(struct task_struct, sigpending));
+	DEFINE(THREAD, offsetof(struct task_struct, thread));
+	DEFINE(MM, offsetof(struct task_struct, mm));
+	DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct));
+	DEFINE(KSP, offsetof(struct thread_struct, ksp));
+
+        DEFINE(PACA, offsetof(struct naca_struct, paca));
+        DEFINE(PACA_SIZE, sizeof(struct paca_struct));
+
+        DEFINE(DCACHEL1LINESIZE, offsetof(struct naca_struct, dCacheL1LineSize));
+        DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct naca_struct, dCacheL1LogLineSize));
+        DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct naca_struct, dCacheL1LinesPerPage));
+
+        DEFINE(ICACHEL1LINESIZE, offsetof(struct naca_struct, iCacheL1LineSize));
+        DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct naca_struct, iCacheL1LogLineSize));
+        DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct naca_struct, iCacheL1LinesPerPage));
+	DEFINE(SLBSIZE, offsetof(struct naca_struct, slb_size));
+	DEFINE(PLATFORM, offsetof(struct naca_struct, platform));
+
+        DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, xPacaIndex));
+        DEFINE(PACAPROCSTART, offsetof(struct paca_struct, xProcStart));
+        DEFINE(PACAKSAVE, offsetof(struct paca_struct, xKsave));
+	DEFINE(PACACURRENT, offsetof(struct paca_struct, xCurrent));
+        DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, xSavedMsr));
+        DEFINE(PACASTABREAL, offsetof(struct paca_struct, xStab_data.real));
+        DEFINE(PACASTABVIRT, offsetof(struct paca_struct, xStab_data.virt));
+	DEFINE(PACASTABRR, offsetof(struct paca_struct, xStab_data.next_round_robin));
+        DEFINE(PACAR1, offsetof(struct paca_struct, xR1));
+        DEFINE(PACALPQUEUE, offsetof(struct paca_struct, lpQueuePtr));
+	DEFINE(PACATOC, offsetof(struct paca_struct, xTOC));
+	DEFINE(PACAEXCSP, offsetof(struct paca_struct, exception_sp));
+	DEFINE(PACAHRDWINTSTACK, offsetof(struct paca_struct, xHrdIntStack));
+	DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, xProcEnabled));
+	DEFINE(PACAHRDWINTCOUNT, offsetof(struct paca_struct, xHrdIntCount));
+	DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr));
+	DEFINE(PACAPROFENABLED, offsetof(struct paca_struct, prof_enabled));
+	DEFINE(PACAPROFLEN, offsetof(struct paca_struct, prof_len));
+	DEFINE(PACAPROFSHIFT, offsetof(struct paca_struct, prof_shift));
+	DEFINE(PACAPROFBUFFER, offsetof(struct paca_struct, prof_buffer));
+	DEFINE(PACAPROFSTEXT, offsetof(struct paca_struct, prof_stext));
+	DEFINE(PACALPPACA, offsetof(struct paca_struct, xLpPaca));
+        DEFINE(LPPACA, offsetof(struct paca_struct, xLpPaca));
+        DEFINE(PACAREGSAV, offsetof(struct paca_struct, xRegSav));
+        DEFINE(PACAEXC, offsetof(struct paca_struct, exception_stack));
+        DEFINE(PACAGUARD, offsetof(struct paca_struct, guard));
+        DEFINE(LPPACASRR0, offsetof(struct ItLpPaca, xSavedSrr0));
+        DEFINE(LPPACASRR1, offsetof(struct ItLpPaca, xSavedSrr1));
+	DEFINE(LPPACAANYINT, offsetof(struct ItLpPaca, xIntDword.xAnyInt));
+	DEFINE(LPPACADECRINT, offsetof(struct ItLpPaca, xIntDword.xFields.xDecrInt));
+        DEFINE(LPQCUREVENTPTR, offsetof(struct ItLpQueue, xSlicCurEventPtr));
+        DEFINE(LPQOVERFLOW, offsetof(struct ItLpQueue, xPlicOverflowIntPending));
+        DEFINE(LPEVENTFLAGS, offsetof(struct HvLpEvent, xFlags));
+	DEFINE(PROMENTRY, offsetof(struct prom_t, entry));
+
+	DEFINE(RTASBASE, offsetof(struct rtas_t, base));
+	DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
+	DEFINE(RTASSIZE, offsetof(struct rtas_t, size));
+
+	DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
+	DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
+	DEFINE(PT_TRACESYS, PT_TRACESYS);
+	DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
+	DEFINE(NEED_RESCHED, offsetof(struct task_struct, need_resched));
+	DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
+	DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
+	DEFINE(THREAD_FLAGS, offsetof(struct thread_struct, flags));
+	DEFINE(PPC_FLAG_32BIT, PPC_FLAG_32BIT);
+	/* Interrupt register frame */
+	DEFINE(TASK_UNION_SIZE, sizeof(union task_union));
+	DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
+        /* 288 = # of volatile regs, int & fp, for leaf routines */
+        /* which do not stack a frame.  See the PPC64 ABI.       */
+        DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288);
+	/* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
+        DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16 + 288);
+        DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16 + 288);
+	DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
+	DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
+	DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
+	DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
+	DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
+	DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
+	DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
+	DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
+	DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
+	DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
+	DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
+	DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
+	DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
+	DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
+	/* Note: these symbols include _ because they overlap with special
+	 * register names
+	 */
+	DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
+	DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
+	DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
+	DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
+	DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
+	DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
+	DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
+	DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
+	DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
+	DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
+	DEFINE(TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
+	DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
+
+	/* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
+	DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
+	DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
+
+	DEFINE(CLONE_VM, CLONE_VM);
+
+	return 0;
+}

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)