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[PATCH v3] hw/rx: rx-gdbsim DTB load address aligned of 16byte.

From: Yoshinori Sato
Subject: [PATCH v3] hw/rx: rx-gdbsim DTB load address aligned of 16byte.
Date: Mon, 7 Feb 2022 22:27:58 +0900

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

v3 changes.
Fix round value.

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..887083737b 100644
--- a/hw/rx/rx-gdbsim.c
+++ b/hw/rx/rx-gdbsim.c
@@ -142,7 +142,7 @@ static void rx_gdbsim_init(MachineState *machine)
             /* 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);
             rom_add_blob_fixed("dtb", dtb, dtb_size,
                                SDRAM_BASE + dtb_offset);
             /* Set dtb address to R1 */

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