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🐛 fix bootrom addressing

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stnolting 2025-01-28 21:27:27 +01:00
parent d1275e1dda
commit 0444f77dcb
1 changed files with 5 additions and 5 deletions
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10
rtl/core/neorv32_boot_rom.vhd
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@ -3,7 +3,7 @@
-- -------------------------------------------------------------------------------- --
-- The NEORV32 RISC-V Processor - https://github.com/stnolting/neorv32 --
-- Copyright (c) NEORV32 contributors. --
-- Copyright (c) 2020 - 2024 Stephan Nolting. All rights reserved. --
-- Copyright (c) 2020 - 2025 Stephan Nolting. All rights reserved. --
-- Licensed under the BSD-3-Clause license, see LICENSE for details. --
-- SPDX-License-Identifier: BSD-3-Clause --
-- ================================================================================ --
@ -27,12 +27,12 @@ end neorv32_boot_rom;
architecture neorv32_boot_rom_rtl of neorv32_boot_rom is
-- determine physical ROM size in bytes (expand to next power of two) --
constant boot_rom_size_index_c : natural := index_size_f((bootloader_init_size_c)); -- address with (bytes)
constant boot_rom_size_c : natural range 0 to iodev_size_c := (2**boot_rom_size_index_c); -- physical size in bytes
-- determine physical ROM size in WORDS (expand to next power of two) --
constant boot_rom_size_index_c : natural := index_size_f((bootloader_init_size_c/4)); -- address with (words)
constant boot_rom_size_c : natural range 0 to iodev_size_c := (2**boot_rom_size_index_c); -- physical size in words
-- ROM initialized with executable code --
constant mem_rom_c : mem32_t(0 to boot_rom_size_c/4-1) := mem32_init_f(bootloader_init_image_c, boot_rom_size_c/4);
constant mem_rom_c : mem32_t(0 to boot_rom_size_c-1) := mem32_init_f(bootloader_init_image_c, boot_rom_size_c);
-- local signals --
signal rden : std_ulogic;