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Re: [Qemu-devel] [ADD] PPC processor emulation
From: |
J. Mayer |
Subject: |
Re: [Qemu-devel] [ADD] PPC processor emulation |
Date: |
18 Nov 2003 08:48:12 +0100 |
elfload.c.diff
Make it able to load PPC ELF executables.
At least for static ones and a few dynamic ones.
diff -urNbB -x CVS qemu-current/elfload.c qemu/elfload.c
--- qemu-current/elfload.c Tue Nov 18 06:51:07 2003
+++ qemu/elfload.c Tue Nov 11 00:30:10 2003
@@ -104,6 +104,46 @@
#endif
+#ifdef TARGET_PPC
+
+#define ELF_START_MMAP 0x80000000
+
+#define elf_check_arch(x) ( (x) == EM_PPC )
+
+#define ELF_CLASS ELFCLASS32
+#ifdef TARGET_WORDS_BIGENDIAN
+#define ELF_DATA ELFDATA2MSB
+#else
+#define ELF_DATA ELFDATA2LSB
+#endif
+#define ELF_ARCH EM_PPC
+
+/* Note that isn't exactly what regular kernel does
+ * but this is what the ABI wants and is needed to allow
+ * execution of PPC BSD programs.
+ */
+#define ELF_PLAT_INIT(_r) \
+do { \
+ unsigned long *pos = (unsigned long *)bprm->p, tmp = 1; \
+ _r->gpr[3] = bprm->argc; \
+ _r->gpr[4] = (unsigned long)++pos; \
+ for (; tmp != 0; pos++) \
+ tmp = *pos; \
+ _r->gpr[5] = (unsigned long)pos; \
+} while (0)
+
+static inline void init_thread(struct target_pt_regs *_regs, struct image_info
*infop)
+{
+ _regs->msr = 1 << MSR_PR; /* Set user mode */
+ _regs->gpr[1] = infop->start_stack;
+ _regs->nip = infop->entry;
+}
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE 4096
+
+#endif
+
#include "elf.h"
/*
- Re: [Qemu-devel] [ADD] floppy disk emulation, (continued)
- [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation,
J. Mayer <=
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18
- Re: [Qemu-devel] [ADD] PPC processor emulation, J. Mayer, 2003/11/18