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Minor README change
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@ -153,7 +153,8 @@ interface only becomes functional when ENABLE_PCPI is set as well.
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#### ENABLE_IRQ (default = 0)
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Set this to 1 to enable IRQs. (see "" below for a discussion of IRQs)
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Set this to 1 to enable IRQs. (see "Custom Instructions for IRQ Handling" below
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for a discussion of IRQs)
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#### ENABLE_IRQ_QREGS (default = 1)
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@ -163,10 +164,14 @@ bitmask in x4 (tp), the global pointer and thread pointer registers according
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to the RISC-V ABI. Code generated from ordinary C code will not interact with
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those registers.
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Support for q-registers is always disabled when ENABLE_IRQ is set to 0.
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#### ENABLE_IRQ_TIMER (default = 1)
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Set this to 0 to disable support for the `timer` instruction.
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Support for the timer is always disabled when ENABLE_IRQ is set to 0.
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#### MASKED_IRQ (default = 32'h 0000_0000)
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A 1 bit in this bitmask corresponds to a permanently disabled IRQ.
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