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[PULL 04/43] hw/mips/boston: Use bl_gen_kernel_jump to generate bootload


From: Philippe Mathieu-Daudé
Subject: [PULL 04/43] hw/mips/boston: Use bl_gen_kernel_jump to generate bootloaders
Date: Sun, 21 Feb 2021 15:33:53 +0100

From: Jiaxun Yang <jiaxun.yang@flygoat.com>

Replace embedded binary with generated code.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201215064507.30148-2-jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: Split original patch as one for each machine (here boston)]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/mips/boston.c | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/hw/mips/boston.c b/hw/mips/boston.c
index 467fbc1c8be..b976c8199a1 100644
--- a/hw/mips/boston.c
+++ b/hw/mips/boston.c
@@ -27,6 +27,7 @@
 #include "hw/ide/ahci.h"
 #include "hw/loader.h"
 #include "hw/loader-fit.h"
+#include "hw/mips/bootloader.h"
 #include "hw/mips/cps.h"
 #include "hw/pci-host/xilinx-pcie.h"
 #include "hw/qdev-clock.h"
@@ -324,21 +325,7 @@ static void gen_firmware(uint32_t *p, hwaddr kernel_entry, 
hwaddr fdt_addr,
      * a2/$6 = 0
      * a3/$7 = 0
      */
-    stl_p(p++, 0x2404fffe);                     /* li   $4, -2 */
-                                                /* lui  $5, hi(fdt_addr) */
-    stl_p(p++, 0x3c050000 | ((fdt_addr >> 16) & 0xffff));
-    if (fdt_addr & 0xffff) {                    /* ori  $5, lo(fdt_addr) */
-        stl_p(p++, 0x34a50000 | (fdt_addr & 0xffff));
-    }
-    stl_p(p++, 0x34060000);                     /* li   $6, 0 */
-    stl_p(p++, 0x34070000);                     /* li   $7, 0 */
-
-    /* Load kernel entry address & jump to it */
-                                                /* lui  $25, hi(kernel_entry) 
*/
-    stl_p(p++, 0x3c190000 | ((kernel_entry >> 16) & 0xffff));
-                                                /* ori  $25, lo(kernel_entry) 
*/
-    stl_p(p++, 0x37390000 | (kernel_entry & 0xffff));
-    stl_p(p++, 0x03200009);                     /* jr   $25 */
+    bl_gen_jump_kernel(&p, 0, (int32_t)-2, fdt_addr, 0, 0, kernel_entry);
 }
 
 static const void *boston_fdt_filter(void *opaque, const void *fdt_orig,
-- 
2.26.2




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