Re: [Qemu-devel] [PATCH] sh4: Fix initramfs initialization for endiannes-mismatched targets

2015-08-18 Thread Aurelien Jarno
On 2015-08-12 07:20, Guenter Roeck wrote:
 If host and target endianness does not match, loding an initramfs does not 
 work.
 Fix by writing boot parameters with appropriate endianness conversion.
 
 Signed-off-by: Guenter Roeck li...@roeck-us.net
 ---
  hw/sh4/r2d.c | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)
 
 diff --git a/hw/sh4/r2d.c b/hw/sh4/r2d.c
 index 5e22ed7..3b0b2ec 100644
 --- a/hw/sh4/r2d.c
 +++ b/hw/sh4/r2d.c
 @@ -338,9 +338,9 @@ static void r2d_init(MachineState *machine)
  }
  
  /* initialization which should be done by firmware */
 -boot_params.loader_type = 1;
 -boot_params.initrd_start = INITRD_LOAD_OFFSET;
 -boot_params.initrd_size = initrd_size;
 +boot_params.loader_type = tswap32(1);
 +boot_params.initrd_start = tswap32(INITRD_LOAD_OFFSET);
 +boot_params.initrd_size = tswap32(initrd_size);
  }
  
  if (kernel_cmdline) {

Reviewed-by: Aurelien Jarno aurel...@aurel32.net

Good catch. I have added it to my sh4-next queue:

http://git.aurel32.net/?p=qemu.git;a=shortlog;h=refs/heads/sh4-next

-- 
Aurelien Jarno  GPG: 4096R/1DDD8C9B
aurel...@aurel32.net http://www.aurel32.net



[Qemu-devel] [PATCH] sh4: Fix initramfs initialization for endiannes-mismatched targets

2015-08-12 Thread Guenter Roeck
If host and target endianness does not match, loding an initramfs does not work.
Fix by writing boot parameters with appropriate endianness conversion.

Signed-off-by: Guenter Roeck li...@roeck-us.net
---
 hw/sh4/r2d.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/hw/sh4/r2d.c b/hw/sh4/r2d.c
index 5e22ed7..3b0b2ec 100644
--- a/hw/sh4/r2d.c
+++ b/hw/sh4/r2d.c
@@ -338,9 +338,9 @@ static void r2d_init(MachineState *machine)
 }
 
 /* initialization which should be done by firmware */
-boot_params.loader_type = 1;
-boot_params.initrd_start = INITRD_LOAD_OFFSET;
-boot_params.initrd_size = initrd_size;
+boot_params.loader_type = tswap32(1);
+boot_params.initrd_start = tswap32(INITRD_LOAD_OFFSET);
+boot_params.initrd_size = tswap32(initrd_size);
 }
 
 if (kernel_cmdline) {
-- 
2.1.4