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[PATCH 1/1] Set TARGET_PAGE_BITS to be 10 instead of 8 bits
From: |
Michael Rolnik |
Subject: |
[PATCH 1/1] Set TARGET_PAGE_BITS to be 10 instead of 8 bits |
Date: |
Sun, 21 Mar 2021 00:09:49 +0200 |
Signed-off-by: Michael Rolnik <mrolnik@gmail.com>
---
target/avr/cpu-param.h | 8 +-------
target/avr/helper.c | 2 --
2 files changed, 1 insertion(+), 9 deletions(-)
diff --git a/target/avr/cpu-param.h b/target/avr/cpu-param.h
index 7ef4e7c679..9765a9d0db 100644
--- a/target/avr/cpu-param.h
+++ b/target/avr/cpu-param.h
@@ -22,13 +22,7 @@
#define AVR_CPU_PARAM_H
#define TARGET_LONG_BITS 32
-/*
- * TARGET_PAGE_BITS cannot be more than 8 bits because
- * 1. all IO registers occupy [0x0000 .. 0x00ff] address range, and they
- * should be implemented as a device and not memory
- * 2. SRAM starts at the address 0x0100
- */
-#define TARGET_PAGE_BITS 8
+#define TARGET_PAGE_BITS 10
#define TARGET_PHYS_ADDR_SPACE_BITS 24
#define TARGET_VIRT_ADDR_SPACE_BITS 24
#define NB_MMU_MODES 2
diff --git a/target/avr/helper.c b/target/avr/helper.c
index 35e1019594..da658afed3 100644
--- a/target/avr/helper.c
+++ b/target/avr/helper.c
@@ -111,8 +111,6 @@ bool avr_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
MemTxAttrs attrs = {};
uint32_t paddr;
- address &= TARGET_PAGE_MASK;
-
if (mmu_idx == MMU_CODE_IDX) {
/* access to code in flash */
paddr = OFFSET_CODE + address;
--
2.25.1