Updated to REAL_CODE().
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53935e9dc6
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6631f46999
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@ -33,20 +33,20 @@
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* @ret max_bus Maximum bus number
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* @ret max_bus Maximum bus number
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*/
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*/
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int pcibios_max_bus ( void ) {
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int pcibios_max_bus ( void ) {
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int discard_a;
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int discard_a, discard_D;
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uint8_t max_bus;
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uint8_t max_bus;
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REAL_EXEC ( rm_pcibios_check,
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__asm__ __volatile__ ( REAL_CODE ( "stc\n\t"
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"stc\n\t"
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"int $0x1a\n\t"
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"int $0x1a\n\t"
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"jnc 1f\n\t"
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"jnc 1f\n\t"
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"xorw %%cx, %%cx\n\t"
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"xorw %%cx, %%cx\n\t"
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"\n1:\n\t" )
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"\n1:\n\t",
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: "=c" ( max_bus ), "=a" ( discard_a ),
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2,
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"=D" ( discard_D )
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OUT_CONSTRAINTS ( "=a" ( discard_a ), "=c" ( max_bus ) ),
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: "a" ( PCIBIOS_INSTALLATION_CHECK >> 16 ),
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IN_CONSTRAINTS ( "a" ( PCIBIOS_INSTALLATION_CHECK >> 16 )),
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"D" ( 0 )
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CLOBBER ( "ebx", "edx", "edi" ) );
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: "ebx", "edx" );
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return max_bus;
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return max_bus;
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}
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}
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@ -62,22 +62,19 @@ int pcibios_read ( struct pci_device *pci, uint32_t command, uint32_t *value ){
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int discard_b, discard_D;
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int discard_b, discard_D;
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int status;
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int status;
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REAL_EXEC ( rm_pcibios_read,
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__asm__ __volatile__ ( REAL_CODE ( "stc\n\t"
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"stc\n\t"
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"int $0x1a\n\t"
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"int $0x1a\n\t"
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"jnc 1f\n\t"
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"jnc 1f\n\t"
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"xorl %%eax, %%eax\n\t"
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"xorl %%eax, %%eax\n\t"
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"decl %%eax\n\t"
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"decl %%eax\n\t"
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"movl %%eax, %%ecx\n\t"
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"movl %%eax, %%ecx\n\t"
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"\n1:\n\t" )
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"\n1:\n\t",
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: "=a" ( status ), "=b" ( discard_b ),
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4,
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"=c" ( *value ), "=D" ( discard_D )
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OUT_CONSTRAINTS ( "=a" ( status ), "=b" ( discard_b ),
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: "a" ( command >> 16 ), "D" ( command ),
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"=c" ( *value ), "=D" ( discard_D ) ),
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"b" ( ( pci->bus << 8 ) | pci->devfn )
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IN_CONSTRAINTS ( "a" ( command >> 16 ),
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: "edx" );
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"b" ( ( pci->bus << 8 ) | pci->devfn ),
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"D" ( command ) ),
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CLOBBER ( "edx" ) );
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return ( ( status >> 8 ) & 0xff );
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return ( ( status >> 8 ) & 0xff );
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}
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}
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@ -93,19 +90,17 @@ int pcibios_write ( struct pci_device *pci, uint32_t command, uint32_t value ){
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int discard_b, discard_c, discard_D;
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int discard_b, discard_c, discard_D;
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int status;
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int status;
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REAL_EXEC ( rm_pcibios_write,
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__asm__ __volatile__ ( REAL_CODE ( "stc\n\t"
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"stc\n\t"
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"int $0x1a\n\t"
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"int $0x1a\n\t"
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"jnc 1f\n\t"
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"jnc 1f\n\t"
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"movb $0xff, %%ah\n\t"
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"movb $0xff, %%ah\n\t"
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"\n1:\n\t" )
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"\n1:\n\t",
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: "=a" ( status ), "=b" ( discard_b ),
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4,
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"=c" ( discard_c ), "=D" ( discard_D )
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OUT_CONSTRAINTS ( "=a" ( status ), "=b" ( discard_b ),
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: "a" ( command >> 16 ), "D" ( command ),
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"=c" ( discard_c ), "=D" ( discard_D ) ),
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"b" ( ( pci->bus << 8 ) | pci->devfn ),
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IN_CONSTRAINTS ( "a" ( command >> 16 ),
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"c" ( value )
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"b" ( ( pci->bus << 8 ) | pci->devfn ),
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: "edx" );
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"c" ( value ), "D" ( command ) ),
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CLOBBER ( "edx" ) );
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return ( ( status >> 8 ) & 0xff );
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return ( ( status >> 8 ) & 0xff );
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}
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}
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