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[PATCH v2] hw/rx: rx-gdbsim DTB load address aligned of 16byte.


From: Yoshinori Sato
Subject: [PATCH v2] hw/rx: rx-gdbsim DTB load address aligned of 16byte.
Date: Wed, 2 Feb 2022 19:30:23 +0900

Linux kernel required alined address of DTB.
But missing align in dtb load function.
Fixed to load to the correct address.

v2 changes.
Use ROUND_DOWN macro.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/rx/rx-gdbsim.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/rx/rx-gdbsim.c b/hw/rx/rx-gdbsim.c
index 75d1fec6ca..2356af83a0 100644
--- a/hw/rx/rx-gdbsim.c
+++ b/hw/rx/rx-gdbsim.c
@@ -142,7 +142,7 @@ static void rx_gdbsim_init(MachineState *machine)
                 exit(1);
             }
             /* DTB is located at the end of SDRAM space. */
-            dtb_offset = machine->ram_size - dtb_size;
+            dtb_offset = ROUND_DOWN(machine->ram_size - dtb_size, 16 - 1);
             rom_add_blob_fixed("dtb", dtb, dtb_size,
                                SDRAM_BASE + dtb_offset);
             /* Set dtb address to R1 */
-- 
2.30.2




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