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comparison backend.c @ 1079:329ff62ea391

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Add a new memory map flag to support an auxilliary buffer for translating code from MMAP_PTR_IDX chunks for which the pointer is null
author Michael Pavone <pavone@retrodev.com>
date Tue, 04 Oct 2016 18:30:24 -0700
parents fc04781f4d28
children 8f14767661fa
comparison
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1078:c4bfbf55d418 1079:329ff62ea391
63 } 63 }
64 uint8_t * base = memmap[chunk].flags & MMAP_PTR_IDX 64 uint8_t * base = memmap[chunk].flags & MMAP_PTR_IDX
65 ? mem_pointers[memmap[chunk].ptr_index] 65 ? mem_pointers[memmap[chunk].ptr_index]
66 : memmap[chunk].buffer; 66 : memmap[chunk].buffer;
67 if (!base) { 67 if (!base) {
68 if (memmap[chunk].flags & MMAP_AUX_BUFF) {
69 return memmap[chunk].buffer + (address & memmap[chunk].aux_mask);
70 }
68 return NULL; 71 return NULL;
69 } 72 }
70 return base + (address & memmap[chunk].mask); 73 return base + (address & memmap[chunk].mask);
71 } 74 }
72 } 75 }