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target/avr: Increase TARGET_PAGE_BITS to 10

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Now that we can handle the MCU allocating only a portion of the
first page to i/o, increase the page size.  Choose 10 as larger
than the i/o on every MCU, just so that this path is tested.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-03-25 15:32:50 -07:00
parent 9f99072fc0
commit eba24b60a7
1 changed files with 1 additions and 7 deletions
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8
target/avr/cpu-param.h
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@ -21,13 +21,7 @@
#ifndef AVR_CPU_PARAM_H #ifndef AVR_CPU_PARAM_H
#define AVR_CPU_PARAM_H #define AVR_CPU_PARAM_H
/* #define TARGET_PAGE_BITS 10
* 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_PHYS_ADDR_SPACE_BITS 24 #define TARGET_PHYS_ADDR_SPACE_BITS 24
#define TARGET_VIRT_ADDR_SPACE_BITS 24 #define TARGET_VIRT_ADDR_SPACE_BITS 24