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authorcheapie <cheapiephp@gmail.com>2026-10-30 09:09:20 -0500
committercheapie <cheapiephp@gmail.com>2026-10-30 09:09:20 -0500
commita16b984f06ca52be0785073ee2c21fcae301fff3 (patch)
tree78dd6761af6088d27e791a533bcb73a974cb3c89 /doc/csr.txt
parent1feb4eefe87b555a64d51e08eca7315b30521345 (diff)
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Add console interrupt support
Diffstat (limited to 'doc/csr.txt')
-rw-r--r--doc/csr.txt9
1 files changed, 5 insertions, 4 deletions
diff --git a/doc/csr.txt b/doc/csr.txt
index fdd7939..3eae14f 100644
--- a/doc/csr.txt
+++ b/doc/csr.txt
@@ -69,18 +69,19 @@ while some of the platform-use bits have been assigned to additional interrupts.
0x304 - mie (Machine Interrupt-Enable)
- 31 18 17 16 15 8 7 6 0
+ 31 19 18 17 16 15 8 7 6 0
+---------------------------------------------------------------------+
-| Reserved |MDIE|MMIE| Reserved |MTIE| Reserved |
+| Reserved |MCIE|MDIE|MMIE| Reserved |MTIE| Reserved |
+---------------------------------------------------------------------+
0x344 - mie (Machine Interrupt-Pending)
- 31 18 17 16 15 8 7 6 0
+ 31 19 18 17 16 15 8 7 6 0
+---------------------------------------------------------------------+
-| Reserved |MDIP|MMIP| Reserved |MTIP| Reserved |
+| Reserved |MCIE|MDIP|MMIP| Reserved |MTIP| Reserved |
+---------------------------------------------------------------------+
* MTIE/MTIP: Machine Timer Interrupt (see RISC-V Machine-Level ISA documentation)
* MMIE/MMIP: Machine Mesecons Interrupt - Becomes pending when a mesecons input changes state and remains pending until manually set to 0
* MDIE/MDIP: Machine Digilines Interrupt - Becomes pending when a digilines message is received and remains pending until manually set to 0
+* MCIE/MCIP: Machine Console Interrupt - Becomes pending when a character is received on standard input and remains pending until manually set to 0