Lines Matching refs:si
74 movw $main-EXEC+LOAD,%si # Source
108 movw $stage2_sector, %si # pointer to lba
112 load_boot: push %si # Save %si
114 pop %si # Restore
119 next_boot: incl (%si) # Next LBA
120 adcl $0,4(%si)
126 # Load a sector (64-bit LBA at %si) from disk %dl into %es:%bx by creating
127 # a EDD packet on the stack and passing it to the BIOS. Trashes %ax and %si.
129 read: pushl 0x4(%si) # Set the LBA
130 pushl 0x0(%si) # address
135 movw %sp,%si # Packer pointer
144 err_rd: movw $msg_rd,%si # "I/O error loading
147 err_noboot: movw $msg_noboot,%si # "Missing boot