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=== InitializeMemory ===
=== InitializeMemory ===
+The Espresso boot ROM copies and clears several memory regions.
+
+ // Copy memory regions:
+ // Source address 0xB0C, destination address 0x20000, size 0x2D58
+ // Source address 0x3864, destination address 0xE0000000, size 0x6A0
+ // Source address 0x3F04, destination address 0xE00006A0, size 0xD0
+ // Source address 0x3FD4, destination address 0xE0000780, size 0xC
+ for (int i = 0; mem_copy_array[i].size > 0; i++)
+ {
+ u32 src_addr = mem_copy_array[i].src_addr;
+ u32 dst_addr = mem_copy_array[i].dst_addr;
+ u32 size = mem_copy_array[i].size;
+ if (src_addr != dst_addr)
+ {
+ memcpy(dst_addr, src_addr, size);
+ if (dst_addr == 0x20000)
+ {
+ // Set to zero data cache for the 0x24000 region
+ sub_5A4();
+ // Invalidate instruction cache for the given range
+ sub_604(dst_addr, size);
+ if (size)
+ {
+ if (memcmp(dst_addr, src_addr, size))
+ {
+ MEMORY[0xC16FFFFC] = 0x1000000;
+ while (1);
+ }
+ }
+ }
+ }
+ }
+ // Clear memory regions:
+ // Address 0xE00007A0, size 0x18
+ // Address 0xE00007C0, size 0x2E4
+ for (int i = 0; mem_clear_array[i].size > 0; i++)
+ {
+ memset(mem_clear_array[i].addr, 0, mem_clear_array[i].size);
+ }
+ return;
+
=== LoadImg ===
=== LoadImg ===
=== Finish ===
=== Finish ===