mirror of https://github.com/ipxe/ipxe.git
[bios] Allow relocate.c to be compiled for x86_64
Signed-off-by: Michael Brown <mcb30@ipxe.org>pull/45/head
parent
9f79f5f1a5
commit
44e05b0ffc
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@ -16,7 +16,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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*
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*/
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extern char _max_align[];
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#define max_align ( ( unsigned int ) _max_align )
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#define max_align ( ( size_t ) _max_align )
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/* Linker symbols */
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extern char _textdata[];
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@ -44,8 +44,8 @@ extern char _etextdata[];
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*/
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__asmcall void relocate ( struct i386_all_regs *ix86 ) {
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struct memory_map memmap;
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unsigned long start, end, size, padded_size, max;
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unsigned long new_start, new_end;
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uint32_t start, end, size, padded_size, max;
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uint32_t new_start, new_end;
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unsigned i;
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/* Get memory map and current location */
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@ -55,15 +55,15 @@ __asmcall void relocate ( struct i386_all_regs *ix86 ) {
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size = ( end - start );
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padded_size = ( size + max_align - 1 );
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DBG ( "Relocate: currently at [%lx,%lx)\n"
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"...need %lx bytes for %d-byte alignment\n",
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DBG ( "Relocate: currently at [%x,%x)\n"
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"...need %x bytes for %zd-byte alignment\n",
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start, end, padded_size, max_align );
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/* Determine maximum usable address */
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max = MAX_ADDR;
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if ( ix86->regs.ebp < max ) {
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max = ix86->regs.ebp;
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DBG ( "Limiting relocation to [0,%lx)\n", max );
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DBG ( "Limiting relocation to [0,%x)\n", max );
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}
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/* Walk through the memory map and find the highest address
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@ -72,7 +72,7 @@ __asmcall void relocate ( struct i386_all_regs *ix86 ) {
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new_end = end;
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for ( i = 0 ; i < memmap.count ; i++ ) {
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struct memory_region *region = &memmap.regions[i];
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unsigned long r_start, r_end;
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uint32_t r_start, r_end;
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DBG ( "Considering [%llx,%llx)\n", region->start, region->end);
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@ -81,17 +81,17 @@ __asmcall void relocate ( struct i386_all_regs *ix86 ) {
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* with using just 32-bit arithmetic after this stage.
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*/
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if ( region->start > max ) {
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DBG ( "...starts after max=%lx\n", max );
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DBG ( "...starts after max=%x\n", max );
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continue;
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}
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r_start = region->start;
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if ( region->end > max ) {
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DBG ( "...end truncated to max=%lx\n", max );
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DBG ( "...end truncated to max=%x\n", max );
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r_end = max;
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} else {
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r_end = region->end;
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}
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DBG ( "...usable portion is [%lx,%lx)\n", r_start, r_end );
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DBG ( "...usable portion is [%x,%x)\n", r_start, r_end );
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/* If we have rounded down r_end below r_ start, skip
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* this block.
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@ -103,7 +103,7 @@ __asmcall void relocate ( struct i386_all_regs *ix86 ) {
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/* Check that there is enough space to fit in iPXE */
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if ( ( r_end - r_start ) < size ) {
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DBG ( "...too small (need %lx bytes)\n", size );
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DBG ( "...too small (need %x bytes)\n", size );
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continue;
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}
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@ -128,7 +128,7 @@ __asmcall void relocate ( struct i386_all_regs *ix86 ) {
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new_start += ( start - new_start ) & ( max_align - 1 );
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new_end = new_start + size;
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DBG ( "Relocating from [%lx,%lx) to [%lx,%lx)\n",
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DBG ( "Relocating from [%x,%x) to [%x,%x)\n",
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start, end, new_start, new_end );
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/* Let prefix know what to copy */
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