Cihula, Joseph
2009-Jan-29 08:54 UTC
[Xen-devel] [PATCH v2] txt: 1/5 - single tboot entry point for shutdown
tboot removed the shutdown_entry32 and shutdown_entry64 from tboot_shared_t and
now has just a single shutdown_entry field.
Signed-off-by: Joseph Cihula <joseph.cihula@intel.com>
diff -r af1d9af1a993 -r d4268eed9830 xen/arch/x86/tboot.c
--- a/xen/arch/x86/tboot.c Wed Jan 21 14:44:43 2009 +0000
+++ b/xen/arch/x86/tboot.c Wed Jan 21 22:04:51 2009 -0800
@@ -37,8 +37,7 @@ void __init tboot_probe(void)
printk("TBOOT: found shared page at phys addr %lx:\n",
p_tboot_shared);
printk(" version: %d\n", tboot_shared->version);
printk(" log_addr: 0x%08x\n", tboot_shared->log_addr);
- printk(" shutdown_entry32: 0x%08x\n",
tboot_shared->shutdown_entry32);
- printk(" shutdown_entry64: 0x%08x\n",
tboot_shared->shutdown_entry64);
+ printk(" shutdown_entry: 0x%08x\n",
tboot_shared->shutdown_entry);
printk(" shutdown_type: %d\n", tboot_shared->shutdown_type);
printk(" s3_tb_wakeup_entry: 0x%08x\n",
tboot_shared->s3_tb_wakeup_entry);
printk(" s3_k_wakeup_entry: 0x%08x\n",
tboot_shared->s3_k_wakeup_entry);
@@ -82,11 +81,7 @@ void tboot_shutdown(uint32_t shutdown_ty
write_ptbase(idle_vcpu[0]);
-#ifdef __x86_64__
- asm volatile ( "call *%%rdi" :: "D"
(g_tboot_shared->shutdown_entry64) );
-#else
- asm volatile ( "call *%0" :: "r"
(g_tboot_shared->shutdown_entry32) );
-#endif
+ ((void(*)(void))(unsigned long)g_tboot_shared->shutdown_entry)();
BUG(); /* should not reach here */
}
diff -r af1d9af1a993 -r d4268eed9830 xen/include/asm-x86/tboot.h
--- a/xen/include/asm-x86/tboot.h Wed Jan 21 14:44:43 2009 +0000
+++ b/xen/include/asm-x86/tboot.h Wed Jan 21 22:04:51 2009 -0800
@@ -61,8 +61,7 @@ typedef struct __attribute__ ((__packed_
uuid_t uuid; /* {663C8DFF-E8B3-4b82-AABF-19EA4D057A08} */
uint32_t version; /* Version number: 0x01, 0x02, ... */
uint32_t log_addr; /* physical addr of tb_log_t log */
- uint32_t shutdown_entry32; /* entry point for tboot shutdown from 32b */
- uint32_t shutdown_entry64; /* entry point for tboot shutdown from 64b */
+ uint32_t shutdown_entry; /* entry point for tboot shutdown */
uint32_t shutdown_type; /* type of shutdown (TB_SHUTDOWN_*) */
uint32_t s3_tb_wakeup_entry;/* entry point for tboot s3 wake up */
uint32_t s3_k_wakeup_entry; /* entry point for xen s3 wake up */
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