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From: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
To: qemu-devel@nongnu.org
Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com,
	alistair.francis@wdc.com, dbarboza@ventanamicro.com,
	liwei1518@gmail.com, bmeng.cn@gmail.com,
	TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>
Subject: [PATCH v1 4/7] hw/riscv: Align kernel to 4MB when sxl32 is on.
Date: Mon,  7 Oct 2024 11:33:57 +0800	[thread overview]
Message-ID: <20241007033400.50163-5-zhiwei_liu@linux.alibaba.com> (raw)
In-Reply-To: <20241007033400.50163-1-zhiwei_liu@linux.alibaba.com>

From: TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>

RISC-V always requires 4MB alignment for RV32.

Signed-off-by: TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>
---
 hw/riscv/boot.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c
index 1a2c1ff9e0..7ce0d8f08f 100644
--- a/hw/riscv/boot.c
+++ b/hw/riscv/boot.c
@@ -69,7 +69,8 @@ char *riscv_plic_hart_config_string(int hart_count)
 
 target_ulong riscv_calc_kernel_start_addr(RISCVHartArrayState *harts,
                                           target_ulong firmware_end_addr) {
-    if (riscv_is_32bit(harts)) {
+    RISCVCPU *cpu = &harts->harts[0];
+    if (riscv_is_32bit(harts) || cpu->cfg.sxl32) {
         return QEMU_ALIGN_UP(firmware_end_addr, 4 * MiB);
     } else {
         return QEMU_ALIGN_UP(firmware_end_addr, 2 * MiB);
-- 
2.43.0



  parent reply	other threads:[~2024-10-07  3:36 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-07  3:33 [PATCH v1 0/7] target/riscv: Support SXL32 on RV64 CPU LIU Zhiwei
2024-10-07  3:33 ` [PATCH v1 1/7] target/riscv: Fix sstatus read and write LIU Zhiwei
2024-10-11  3:44   ` Alistair Francis
2024-10-07  3:33 ` [PATCH v1 2/7] target/riscv: Fix satp read and write implicitly or explicitly LIU Zhiwei
2024-10-11  3:58   ` Alistair Francis
2024-10-07  3:33 ` [PATCH v1 3/7] target/riscv: Read pte and satp based on SXL in PTW LIU Zhiwei
2024-10-11  3:59   ` Alistair Francis
2024-10-07  3:33 ` LIU Zhiwei [this message]
2024-10-07  3:33 ` [PATCH v1 5/7] target/riscv: Enable 32-bit only registers for RV64 with sxl32 LIU Zhiwei
2024-10-11  4:00   ` Alistair Francis
2024-10-07  3:33 ` [PATCH v1 6/7] target/riscv: Reset SXL and UXL according to sxl32 LIU Zhiwei
2024-10-07  3:34 ` [PATCH v1 7/7] target/riscv: Expose sxl32 configuration in RISC-V CPU LIU Zhiwei
2024-10-11  3:56   ` Alistair Francis
2024-10-11  3:55 ` [PATCH v1 0/7] target/riscv: Support SXL32 on RV64 CPU Alistair Francis
2024-10-22  6:41   ` LIU Zhiwei

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