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Add ELF flags for some profile-0.8 extensions #351

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Add ELF flags for some profile-0.8 extensions #351

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55fb880
Add EF_RISCV_RS64
palmer-dabbelt Nov 2, 2022
34fc837
Add EF_RISCV_CCIF
palmer-dabbelt Nov 2, 2022
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10 changes: 8 additions & 2 deletions riscv-elf.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -193,9 +193,9 @@ below.
[cols="1,2,1,1,3,5"]
[width=80%]
|===
| Bit 0 | Bits 1 - 2 | Bit 3 | Bit 4 | Bits 5 - 23 | Bits 24 - 31
| Bit 0 | Bits 1 - 2 | Bit 3 | Bit 4 | Bit 5 | Bit 6 | Bits 7 - 23 | Bits 24 - 31

| RVC | Float ABI | RVE | TSO | *Reserved* | *Non-standard extensions*
| RVC | Float ABI | RVE | TSO | RS64 | CCIF | *Reserved* | *Non-standard extensions*
|===

+
Expand Down Expand Up @@ -233,6 +233,12 @@ below.
EF_RISCV_TSO (0x0010)::: This bit is set when the binary requires the RVTSO
memory consistency model.

EF_RISCV_RS64 (0x0020)::: This bit is set when the binary requires the
`Za64rs` extension.

EF_RISCV_CCIF (0x0040)::: This bit is set when the binary requires the
`Ziccif` extension.

Until such a time that the *Reserved* bits (0x00ffffe0) are allocated by future
versions of this specification, they shall not be set by standard software.
Non-standard extensions are free to use bits 24-31 for any purpose. This may
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