ot_u8 sub_isf_mirror(ot_u8 direction) {
vaddr header;
vaddr header_base;
vaddr header_alloc;
vaddr header_mirror;
//vaddr header_end;
ot_int i;
ot_u16* mirror_ptr;
// Go through ISF Header array
header = ISF_Header_START;
for (i=0; i<ISF_NUM_STOCK_FILES; i++, header+=sizeof(vl_header)) {
//get header data
header_alloc = vworm_read(header+2);
header_base = vworm_read(header+6);
header_mirror = vworm_read(header+8);
// Copy vworm to mirror if there is a mirror
// 0. Skip unmirrored or uninitialized, or unallocated files
// 1. Resolve Mirror Length (in vsram it is right ahead of the data)
// 2. Load/Save Mirror Data (header_alloc is repurposed)
if ((header_mirror != NULL_vaddr) && (header_alloc != 0)) {
mirror_ptr = (ot_u16*)vsram_get(header_mirror);
if (direction == MIRROR_TO_SRAM) { // LOAD
*mirror_ptr = vworm_read(header+0);
}
if (header_base == NULL_vaddr) { // EXIT if file is mirror-only
continue;
}
if (direction != MIRROR_TO_SRAM) { // SAVE
vworm_write((header+0), *mirror_ptr);
}
header_alloc = header_base + *mirror_ptr;
mirror_ptr++;
for ( ; header_base<header_alloc; header_base+=2, mirror_ptr++) {
if (direction == MIRROR_TO_SRAM) {
*mirror_ptr = vworm_read(header_base);
}
else {
vworm_write(header_base, *mirror_ptr);
}
}
}
}
return 0;
}
ot_u8 vworm_mark(vaddr addr, ot_u16 value) {
#if (VWORM_SIZE <= 0)
return ~0;
#else
return vworm_write(addr, value);
#endif
}
void sub_write_header(vaddr header, ot_u16* data, ot_uint length ) {
ot_int i;
for (i=0; i<length; i+=2, data++) {
vworm_write( (header+i), *data);
}
}
ot_u8 vworm_wipeblock(vaddr addr, ot_uint wipe_span) {
#if ((VWORM_SIZE > 0) && (OT_FEATURE_VLNVWRITE == ENABLED))
ot_u8 output = 0;
wipe_span += addr;
for (; ((addr < (vaddr)wipe_span) && (output == 0)); addr+=2) {
output |= vworm_write(addr, NULL_vaddr);
}
return output;
#else
return 0;
#endif
}
ot_u8 vworm_wipeblock(vaddr addr, ot_uint wipe_span) {
#if (VWORM_SIZE <= 0)
return ~0;
#else
ot_u8 output = 0;
wipe_span += addr;
for (; ((addr < (vaddr)wipe_span) && (output == 0)); addr+=2) {
output |= vworm_write(addr, NULL_vaddr);
}
return output;
#endif
}
ot_u8 vworm_mark(vaddr addr, ot_u16 value) {
return vworm_write(addr, value);
}
