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[Qemu-devel] [PATCH 1/2] hw/xtensa: xtfpga: fix bootloader placement in
From: |
Max Filippov |
Subject: |
[Qemu-devel] [PATCH 1/2] hw/xtensa: xtfpga: fix bootloader placement in SMP |
Date: |
Tue, 22 Jan 2019 14:12:55 -0800 |
Use BSP reset PC as a place for the mini-bootloader because in SMP
configurations APs and BSP may have different boot addresses.
This fixes SMP linux uImage boot on xtfpga boards.
Signed-off-by: Max Filippov <address@hidden>
---
hw/xtensa/xtfpga.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c
index 21094319a659..d3afdfc247a7 100644
--- a/hw/xtensa/xtfpga.c
+++ b/hw/xtensa/xtfpga.c
@@ -234,10 +234,15 @@ static void xtfpga_init(const XtfpgaBoardDesc *board,
MachineState *machine)
int n;
for (n = 0; n < smp_cpus; n++) {
+ CPUXtensaState *cenv = NULL;
+
cpu = XTENSA_CPU(cpu_create(machine->cpu_type));
- env = &cpu->env;
+ cenv = &cpu->env;
+ if (!env) {
+ env = cenv;
+ }
- env->sregs[PRID] = n;
+ cenv->sregs[PRID] = n;
qemu_register_reset(xtfpga_reset, cpu);
/* Need MMU initialized prior to ELF loading,
* so that ELF gets loaded into virtual addresses
--
2.11.0