A small example of how it can be used privately.
rfc-by: Oleg Verych
---
TODO: change lguest files to use it.
drivers/lguest/Makefile | 4 ++++
drivers/lguest/asm-values.c | 24 ++++++++++++++++++++++++
2 files changed, 28 insertions(+)
Index: linux-2.6.22-rc4-mm2/drivers/lguest/Makefile
===================================================================
--- linux-2.6.22-rc4-mm2.orig/drivers/lguest/Makefile 2007-06-13
01:25:17.931654500 +0200
+++ linux-2.6.22-rc4-mm2/drivers/lguest/Makefile 2007-06-13
01:29:01.337616500 +0200
@@ -1,2 +1,6 @@
+# Generate private asm-values.h
+ASM_NS = LGUEST
+include $(srctree)/scripts/Makefile.asm
+
# Guest requires the paravirt_ops replacement and the bus driver.
obj-$(CONFIG_LGUEST_GUEST) += lguest.o lguest_asm.o lguest_bus.o
Index: linux-2.6.22-rc4-mm2/drivers/lguest/asm-values.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.22-rc4-mm2/drivers/lguest/asm-values.c 2007-06-13
01:29:01.337616500 +0200
@@ -0,0 +1,24 @@
+/*
+ * Private definitions needed by lguest's assembly language modules.
+ */
+
+#include <linux/lguest.h>
+#include "lg.h"
+#include <asm-generic/asm-values.h>
+
+void fell_guest(void);
+
+void fell_guest(void)
+{
+ OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
+ OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
+ OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
+ OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
+ OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);
+ OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);
+ OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);
+ OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);
+ OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);
+ OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);
+ OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);
+}
--
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