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Do not cross 0x08000000 unless allocated size is larger.

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This commit is contained in:
Toni Wilen 2023-12-16 20:40:23 +02:00
parent a333766bbc
commit 966a53b038
1 changed files with 6 additions and 1 deletions
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7
cpuboard.cpp
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@ -1687,7 +1687,12 @@ void cpuboard_map(void)
if (is_mtec_ematrix530(&currprefs) || is_sx32pro(&currprefs) || is_apollo(&currprefs) || is_dce_typhoon2(&currprefs)) {
if (cpuboardmem1_bank.allocated_size) {
map_banks(&cpuboardmem1_bank, cpuboardmem1_bank.start >> 16, 0x08000000 >> 16, cpuboardmem1_bank.allocated_size >> 16);
uae_u32 max = 0x08000000;
// don't cross 0x08000000
if (cpuboardmem1_bank.start < 0x08000000 && cpuboardmem1_bank.start + max > 0x08000000 && cpuboardmem1_bank.start + cpuboardmem1_bank.allocated_size < 0x08000000) {
max = 0x08000000 - cpuboardmem1_bank.start;
}
map_banks(&cpuboardmem1_bank, cpuboardmem1_bank.start >> 16, max >> 16, cpuboardmem1_bank.allocated_size >> 16);
}
if (cpuboardmem2_bank.allocated_size && cpuboardmem2_bank.start < 0x18000000) {
map_banks(&cpuboardmem2_bank, cpuboardmem2_bank.start >> 16, cpuboardmem2_bank.allocated_size >> 16, 0);