From 420a08ee2c8755dc1ba6785cbd5e31247aac1c1f Mon Sep 17 00:00:00 2001 From: OBattler Date: Wed, 2 Apr 2025 17:18:44 +0200 Subject: [PATCH] mem.c: Do not initialize the > 1 GB mapping on 64-bit binaries where it is not necessary. --- src/mem/mem.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/mem/mem.c b/src/mem/mem.c index c4d11300b..8c2cfd6cc 100644 --- a/src/mem/mem.c +++ b/src/mem/mem.c @@ -2976,6 +2976,7 @@ mem_reset(void) else if (cpu_16bitbus && is6117 && mem_size > 65408) mem_init_ram_mapping(&ram_high_mapping, 0x100000, (65408 - 1024) * 1024); else { +#if (!(defined __amd64__ || defined _M_X64 || defined __aarch64__ || defined _M_ARM64)) if (mem_size > 1048576) { mem_init_ram_mapping(&ram_high_mapping, 0x100000, (1048576 - 1024) * 1024); @@ -2988,6 +2989,9 @@ mem_reset(void) ram2, MEM_MAPPING_INTERNAL, NULL); } else mem_init_ram_mapping(&ram_high_mapping, 0x100000, (mem_size - 1024) * 1024); +#else + mem_init_ram_mapping(&ram_high_mapping, 0x100000, (mem_size - 1024) * 1024); +#endif } }