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-rw-r--r--src/arch/i386/interface/pxe/pxe_call.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/arch/i386/interface/pxe/pxe_call.c b/src/arch/i386/interface/pxe/pxe_call.c
index 04aaf3b2..320ae125 100644
--- a/src/arch/i386/interface/pxe/pxe_call.c
+++ b/src/arch/i386/interface/pxe/pxe_call.c
@@ -433,7 +433,7 @@ void pxe_init_structures ( void ) {
* @ret rc Return status code
*/
int pxe_start_nbp ( void ) {
- int discard_b, discard_c;
+ int discard_b, discard_c, discard_d;
uint16_t rc;
/* Far call to PXE NBP */
@@ -444,11 +444,12 @@ int pxe_start_nbp ( void ) {
"lcall $0, $0x7c00\n\t"
"addw $4, %%sp\n\t" )
: "=a" ( rc ), "=b" ( discard_b ),
- "=c" ( discard_c )
- : "a" ( __from_text16 ( &ppxe ) ),
- "b" ( __from_text16 ( &pxenv ) ),
- "c" ( rm_cs )
- : "edx", "esi", "edi", "ebp", "memory" );
+ "=c" ( discard_c ), "=d" ( discard_d )
+ : "a" ( __from_text16 ( &ppxe ) ),
+ "b" ( __from_text16 ( &pxenv ) ),
+ "c" ( rm_cs ),
+ "d" ( virt_to_phys ( &pxenv ) )
+ : "esi", "edi", "ebp", "memory" );
return rc;
}