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Jeff Parsons 2015-03-30 20:08:52 -07:00 • committed by jeffpar
commit a73e7a7237
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blog/2015/02/23/README.md
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@ -447,9 +447,9 @@ Here's what the world knew about 80386 problems in the B1 stepping, as of Decemb
**Problem**: If certain string and loop instructions are followed by instructions that either: **Problem**: If certain string and loop instructions are followed by instructions that either:
1. use a different address size (that is, if either the string instruction or the following instruction 1. use a different address size (that is, if either the string instruction or the following instruction
uses an address size prefix), or uses an address size prefix), or
2. reference the stack (e.g. PUSH/POP/CALL/RET) and the "B" bit in the SS descriptor is different from the address 2. reference the stack (e.g. PUSH/POP/CALL/RET) and the "B" bit in the SS descriptor is different from the address
size used by the string instructions, size used by the string instructions,
then one or more of [E]CX, [E]SI, or [E]DI is not updated properly. The size of the register (16 vs. 32) is then one or more of [E]CX, [E]SI, or [E]DI is not updated properly. The size of the register (16 vs. 32) is