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[PATCH v3 7/7] hw/ppc/epapr: Do not swap ePAPR magic value
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH v3 7/7] hw/ppc/epapr: Do not swap ePAPR magic value |
Date: |
Wed, 18 Dec 2024 19:21:06 +0100 |
The ePAPR magic value in $r6 doesn't need to be byte swapped.
See ePAPR-v1.1.pdf chapter 5.4.1 "Boot CPU Initial Register State"
and the following mailing-list thread:
https://lore.kernel.org/qemu-devel/CAFEAcA_NR4XW5DNL4nq7vnH4XRH5UWbhQCxuLyKqYk6_FCBrAA@mail.gmail.com/
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
hw/ppc/sam460ex.c | 2 +-
hw/ppc/virtex_ml507.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c
index 78e2a46e753..db9c8f3fa6e 100644
--- a/hw/ppc/sam460ex.c
+++ b/hw/ppc/sam460ex.c
@@ -234,7 +234,7 @@ static void main_cpu_reset(void *opaque)
/* Create a mapping for the kernel. */
booke_set_tlb(&env->tlb.tlbe[0], 0, 0, 1 << 31);
- env->gpr[6] = tswap32(EPAPR_MAGIC);
+ env->gpr[6] = EPAPR_MAGIC;
env->gpr[7] = (16 * MiB) - 8; /* bi->ima_size; */
} else {
diff --git a/hw/ppc/virtex_ml507.c b/hw/ppc/virtex_ml507.c
index f378e5c4a90..6197d31d88f 100644
--- a/hw/ppc/virtex_ml507.c
+++ b/hw/ppc/virtex_ml507.c
@@ -119,7 +119,7 @@ static void main_cpu_reset(void *opaque)
/* Create a mapping spanning the 32bit addr space. */
booke_set_tlb(&env->tlb.tlbe[0], 0, 0, 1U << 31);
booke_set_tlb(&env->tlb.tlbe[1], 0x80000000, 0x80000000, 1U << 31);
- env->gpr[6] = tswap32(EPAPR_MAGIC);
+ env->gpr[6] = EPAPR_MAGIC;
env->gpr[7] = bi->ima_size;
}
--
2.45.2
- [PATCH v3 3/7] hw/ppc/spapr: Convert HPTE_VALID() macro as hpte_is_valid() method, (continued)