[Skiboot] [PATCH] mambo: Get the zImage from an environment variable

[Michael Ellerman]

Rather than hard coding /tmp/zImage.epapr, get the zImage from an environment
variable.

This is a) cleaner, and b) allows running multiple copies of the
simulator against different kernels simultaneously.

Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
 external/mambo/skiboot.tcl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/external/mambo/skiboot.tcl b/external/mambo/skiboot.tcl
index cc1fc362930d..4993d1857155 100644
--- a/external/mambo/skiboot.tcl
+++ b/external/mambo/skiboot.tcl
@@ -25,7 +25,10 @@ mconfig boot_load MAMBO_BOOT_LOAD 0
 mconfig boot_pc	MAMBO_BOOT_PC 0x10
 
 # Payload: Allow for a Linux style ramdisk/initrd
-mconfig payload PAYLOAD /tmp/zImage.epapr
+if { ![info exists env(SKIBOOT_ZIMAGE)] } {
+	error "Please set SKIBOOT_ZIMAGE to the path of your zImage.epapr"
+}
+mconfig payload PAYLOAD $env(SKIBOOT_ZIMAGE)
 
 # Paylod: Memory location for a Linux style ramdisk/initrd
 mconfig payload_addr PAYLOAD_ADDR 0x20000000;
-- 
2.1.0