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-rw-r--r--README.md7
1 files changed, 7 insertions, 0 deletions
diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -209,6 +209,13 @@ A value of 0b1 indicates an immediate value is used for the second
operand (``IMM_OP``) and a value of 0b0 indicates a register is used for
the second operand (``REG_OP``).
+### Bring up area
+
+Upon power up, all general purpose registers (excluding x0), as well as the stack pointer
+and frame pointer registers are to all go high (all 1s), PC is to be set to an initial value
+of 0xFFF00000 referencing whats known as the "bring up area" containing platform firmware and
+initialization code located in the ROM.
+
### Opcode list
- `NOP`: `0x00`