3143ae25cb
- kvm-accel-kvm-check-for-KVM_CAP_READONLY_MEM-on-VM.patch [RHEL-58928] - kvm-hw-s390x-ipl-Provide-more-memory-to-the-s390-ccw.img.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Use-the-libc-from-SLOF-and-remove-s.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Link-the-netboot-code-into-the-main.patch [RHEL-58153] - kvm-redhat-Remove-the-s390-netboot.img-from-the-spec-fil.patch [RHEL-58153] - kvm-hw-s390x-Remove-the-possibility-to-load-the-s390-net.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Merge-netboot.mak-into-the-main-Mak.patch [RHEL-58153] - kvm-docs-system-s390x-bootdevices-Update-the-documentati.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Remove-panics-from-ISO-IPL-path.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Remove-panics-from-ECKD-IPL-path.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Remove-panics-from-SCSI-IPL-path.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Remove-panics-from-DASD-IPL-path.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Remove-panics-from-Netboot-IPL-path.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Enable-failed-IPL-to-return-after-e.patch [RHEL-58153] - kvm-include-hw-s390x-Add-include-files-for-common-IPL-st.patch [RHEL-58153] - kvm-s390x-Add-individual-loadparm-assignment-to-CCW-devi.patch [RHEL-58153] - kvm-hw-s390x-Build-an-IPLB-for-each-boot-device.patch [RHEL-58153] - kvm-s390x-Rebuild-IPLB-for-SCSI-device-directly-from-DIA.patch [RHEL-58153] - kvm-pc-bios-s390x-Enable-multi-device-boot-loop.patch [RHEL-58153] - kvm-docs-system-Update-documentation-for-s390x-IPL.patch [RHEL-58153] - kvm-tests-qtest-Add-s390x-boot-order-tests-to-cdrom-test.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Clarify-alignment-is-in-bytes.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Don-t-generate-TEXTRELs.patch [RHEL-58153] - kvm-pc-bios-s390-ccw-Introduce-EXTRA_LDFLAGS.patch [RHEL-58153] - kvm-vnc-fix-crash-when-no-console-attached.patch [RHEL-50529] - kvm-vfio-migration-Report-only-stop-copy-size-in-vfio_st.patch [RHEL-64308] - kvm-vfio-migration-Change-trace-formats-from-hex-to-deci.patch [RHEL-64308] - kvm-kvm-Allow-kvm_arch_get-put_registers-to-accept-Error.patch [RHEL-20574] - kvm-target-i386-kvm-Report-which-action-failed-in-kvm_ar.patch [RHEL-20574] - kvm-target-i386-cpu-set-correct-supported-XCR0-features-.patch [RHEL-30315 RHEL-45110] - kvm-target-i386-do-not-rely-on-ExtSaveArea-for-accelerat.patch [RHEL-30315 RHEL-45110] - kvm-target-i386-return-bool-from-x86_cpu_filter_features.patch [RHEL-30315 RHEL-45110] - kvm-target-i386-add-AVX10-feature-and-AVX10-version-prop.patch [RHEL-30315 RHEL-45110] - kvm-target-i386-add-CPUID.24-features-for-AVX10.patch [RHEL-30315 RHEL-45110] - kvm-target-i386-Add-feature-dependencies-for-AVX10.patch [RHEL-30315 RHEL-45110] - kvm-target-i386-Add-AVX512-state-when-AVX10-is-supported.patch [RHEL-30315 RHEL-45110] - kvm-target-i386-Introduce-GraniteRapids-v2-model.patch [RHEL-30315 RHEL-45110] - kvm-target-i386-add-sha512-sm3-sm4-feature-bits.patch [RHEL-30315 RHEL-45110] - Resolves: RHEL-58928 (Boot SNP guests failed with qemu-kvm: kvm_set_user_memory_region) - Resolves: RHEL-58153 ([IBM 10.0 FEAT] KVM: Full boot order support - qemu part) - Resolves: RHEL-50529 (Qemu-kvm crashed if no display device setting and switching display by remote-viewer) - Resolves: RHEL-64308 (High threshold value observed in vGPU live migration) - Resolves: RHEL-20574 (Fail migration properly when put cpu register fails) - Resolves: RHEL-30315 ([Intel 10.0 FEAT] [GNR] Virt-QEMU: Add AVX10.1 instruction support) - Resolves: RHEL-45110 ([Intel 10.0 FEAT] [CWF][DMR] Virt-QEMU: Advertise new instructions SHA2-512NI, SM3, and SM4)
476 lines
16 KiB
Diff
476 lines
16 KiB
Diff
From 0a8e0f11dd82d5988b1090e8e4b8326be0dcb30c Mon Sep 17 00:00:00 2001
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From: Jared Rossi <jrossi@linux.ibm.com>
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Date: Sat, 19 Oct 2024 21:29:42 -0400
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Subject: [PATCH 10/38] pc-bios/s390-ccw: Remove panics from ECKD IPL path
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Thomas Huth <thuth@redhat.com>
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RH-MergeRequest: 278: Full boot order support for s390x [Centos 10]
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RH-Jira: RHEL-58153
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RH-Acked-by: Cédric Le Goater <clg@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Commit: [9/23] 628c2800ed02da8920e7e7c21d9f57e38a9a933d (thuth/qemu-kvm-cs9)
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Remove panic-on-error from ECKD block device IPL specific functions so that
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error recovery may be possible in the future.
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Functions that would previously panic now provide a return code.
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Signed-off-by: Jared Rossi <jrossi@linux.ibm.com>
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Reviewed-by: Thomas Huth <thuth@redhat.com>
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Message-ID: <20241020012953.1380075-9-jrossi@linux.ibm.com>
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Signed-off-by: Thomas Huth <thuth@redhat.com>
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(cherry picked from commit 806315279d5c629e1cc3a945bcfba3fe5482d84b)
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---
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pc-bios/s390-ccw/bootmap.c | 187 +++++++++++++++++++++++++------------
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pc-bios/s390-ccw/bootmap.h | 1 +
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2 files changed, 130 insertions(+), 58 deletions(-)
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diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
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index af73254acb..b9596e28c7 100644
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--- a/pc-bios/s390-ccw/bootmap.c
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+++ b/pc-bios/s390-ccw/bootmap.c
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@@ -145,14 +145,17 @@ static block_number_t load_eckd_segments(block_number_t blk, bool ldipl,
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bool more_data;
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memset(_bprs, FREE_SPACE_FILLER, sizeof(_bprs));
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- read_block(blk, bprs, "BPRS read failed");
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+ if (virtio_read(blk, bprs)) {
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+ puts("BPRS read failed");
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+ return ERROR_BLOCK_NR;
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+ }
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do {
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more_data = false;
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for (j = 0;; j++) {
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block_nr = gen_eckd_block_num(&bprs[j].xeckd, ldipl);
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if (is_null_block_number(block_nr)) { /* end of chunk */
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- break;
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+ return NULL_BLOCK_NR;
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}
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/* we need the updated blockno for the next indirect entry
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@@ -163,15 +166,20 @@ static block_number_t load_eckd_segments(block_number_t blk, bool ldipl,
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}
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/* List directed pointer does not store block size */
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- IPL_assert(ldipl || block_size_ok(bprs[j].xeckd.bptr.size),
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- "bad chunk block size");
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+ if (!ldipl && !block_size_ok(bprs[j].xeckd.bptr.size)) {
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+ puts("Bad chunk block size");
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+ return ERROR_BLOCK_NR;
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+ }
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if (!eckd_valid_address(&bprs[j].xeckd, ldipl)) {
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/*
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* If an invalid address is found during LD-IPL then break and
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- * retry as CCW
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+ * retry as CCW-IPL, otherwise abort on error
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*/
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- IPL_assert(ldipl, "bad chunk ECKD addr");
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+ if (!ldipl) {
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+ puts("Bad chunk ECKD address");
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+ return ERROR_BLOCK_NR;
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+ }
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break;
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}
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@@ -189,7 +197,10 @@ static block_number_t load_eckd_segments(block_number_t blk, bool ldipl,
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* I.e. the next ptr must point to the unused memory area
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*/
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memset(_bprs, FREE_SPACE_FILLER, sizeof(_bprs));
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- read_block(block_nr, bprs, "BPRS continuation read failed");
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+ if (virtio_read(block_nr, bprs)) {
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+ puts("BPRS continuation read failed");
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+ return ERROR_BLOCK_NR;
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+ }
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more_data = true;
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break;
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}
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@@ -198,7 +209,10 @@ static block_number_t load_eckd_segments(block_number_t blk, bool ldipl,
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* to memory (address).
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*/
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rc = virtio_read_many(block_nr, (void *)(*address), count + 1);
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- IPL_assert(rc == 0, "code chunk read failed");
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+ if (rc != 0) {
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+ puts("Code chunk read failed");
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+ return ERROR_BLOCK_NR;
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+ }
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*address += (count + 1) * virtio_get_block_size();
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}
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@@ -232,7 +246,10 @@ static int eckd_get_boot_menu_index(block_number_t s1b_block_nr)
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/* Get Stage1b data */
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memset(sec, FREE_SPACE_FILLER, sizeof(sec));
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- read_block(s1b_block_nr, s1b, "Cannot read stage1b boot loader");
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+ if (virtio_read(s1b_block_nr, s1b)) {
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+ puts("Cannot read stage1b boot loader");
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+ return -EIO;
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+ }
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memset(_s2, FREE_SPACE_FILLER, sizeof(_s2));
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@@ -244,7 +261,10 @@ static int eckd_get_boot_menu_index(block_number_t s1b_block_nr)
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break;
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}
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- read_block(cur_block_nr, s2_cur_blk, "Cannot read stage2 boot loader");
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+ if (virtio_read(cur_block_nr, s2_cur_blk)) {
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+ puts("Cannot read stage2 boot loader");
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+ return -EIO;
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+ }
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if (find_zipl_boot_menu_banner(&banner_offset)) {
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/*
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@@ -252,8 +272,10 @@ static int eckd_get_boot_menu_index(block_number_t s1b_block_nr)
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* possibility of menu data spanning multiple blocks.
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*/
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if (prev_block_nr) {
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- read_block(prev_block_nr, s2_prev_blk,
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- "Cannot read stage2 boot loader");
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+ if (virtio_read(prev_block_nr, s2_prev_blk)) {
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+ puts("Cannot read stage2 boot loader");
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+ return -EIO;
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+ }
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}
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if (i + 1 < STAGE2_BLK_CNT_MAX) {
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@@ -261,8 +283,10 @@ static int eckd_get_boot_menu_index(block_number_t s1b_block_nr)
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}
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if (next_block_nr && !is_null_block_number(next_block_nr)) {
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- read_block(next_block_nr, s2_next_blk,
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- "Cannot read stage2 boot loader");
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+ if (virtio_read(next_block_nr, s2_next_blk)) {
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+ puts("Cannot read stage2 boot loader");
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+ return -EIO;
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+ }
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}
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return menu_get_zipl_boot_index(s2_cur_blk + banner_offset);
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@@ -275,7 +299,7 @@ static int eckd_get_boot_menu_index(block_number_t s1b_block_nr)
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return 0;
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}
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-static void run_eckd_boot_script(block_number_t bmt_block_nr,
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+static int run_eckd_boot_script(block_number_t bmt_block_nr,
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block_number_t s1b_block_nr)
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{
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int i;
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@@ -292,17 +316,28 @@ static void run_eckd_boot_script(block_number_t bmt_block_nr,
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}
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debug_print_int("loadparm", loadparm);
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- IPL_assert(loadparm < MAX_BOOT_ENTRIES, "loadparm value greater than"
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- " maximum number of boot entries allowed");
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+ if (loadparm >= MAX_BOOT_ENTRIES) {
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+ puts("loadparm value greater than max number of boot entries allowed");
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+ return -EINVAL;
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+ }
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memset(sec, FREE_SPACE_FILLER, sizeof(sec));
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- read_block(bmt_block_nr, sec, "Cannot read Boot Map Table");
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+ if (virtio_read(bmt_block_nr, sec)) {
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+ puts("Cannot read Boot Map Table");
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+ return -EIO;
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+ }
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block_nr = gen_eckd_block_num(&bmt->entry[loadparm].xeckd, ldipl);
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- IPL_assert(block_nr != -1, "Cannot find Boot Map Table Entry");
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+ if (block_nr == NULL_BLOCK_NR) {
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+ puts("Cannot find Boot Map Table Entry");
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+ return -EIO;
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+ }
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memset(sec, FREE_SPACE_FILLER, sizeof(sec));
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- read_block(block_nr, sec, "Cannot read Boot Map Script");
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+ if (virtio_read(block_nr, sec)) {
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+ puts("Cannot read Boot Map Script");
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+ return -EIO;
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+ }
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for (i = 0; bms->entry[i].type == BOOT_SCRIPT_LOAD ||
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bms->entry[i].type == BOOT_SCRIPT_SIGNATURE; i++) {
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@@ -317,21 +352,27 @@ static void run_eckd_boot_script(block_number_t bmt_block_nr,
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do {
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block_nr = load_eckd_segments(block_nr, ldipl, &address);
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- } while (block_nr != -1);
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+ if (block_nr == ERROR_BLOCK_NR) {
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+ return ldipl ? 0 : -EIO;
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+ }
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+ } while (block_nr != NULL_BLOCK_NR);
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}
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if (ldipl && bms->entry[i].type != BOOT_SCRIPT_EXEC) {
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/* Abort LD-IPL and retry as CCW-IPL */
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- return;
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+ return 0;
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}
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- IPL_assert(bms->entry[i].type == BOOT_SCRIPT_EXEC,
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- "Unknown script entry type");
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+ if (bms->entry[i].type != BOOT_SCRIPT_EXEC) {
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+ puts("Unknown script entry type");
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+ return -EINVAL;
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+ }
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write_reset_psw(bms->entry[i].address.load_address); /* no return */
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jump_to_IPL_code(0); /* no return */
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+ return -1;
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}
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-static void ipl_eckd_cdl(void)
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+static int ipl_eckd_cdl(void)
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{
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XEckdMbr *mbr;
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EckdCdlIpl2 *ipl2 = (void *)sec;
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@@ -342,20 +383,23 @@ static void ipl_eckd_cdl(void)
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puts("CDL");
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memset(sec, FREE_SPACE_FILLER, sizeof(sec));
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- read_block(1, ipl2, "Cannot read IPL2 record at block 1");
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+ if (virtio_read(1, ipl2)) {
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+ puts("Cannot read IPL2 record at block 1");
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+ return -EIO;
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+ }
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mbr = &ipl2->mbr;
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if (!magic_match(mbr, ZIPL_MAGIC)) {
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puts("No zIPL section in IPL2 record.");
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- return;
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+ return 0;
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}
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if (!block_size_ok(mbr->blockptr.xeckd.bptr.size)) {
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puts("Bad block size in zIPL section of IPL2 record.");
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- return;
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+ return 0;
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}
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if (mbr->dev_type != DEV_TYPE_ECKD) {
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puts("Non-ECKD device type in zIPL section of IPL2 record.");
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- return;
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+ return 0;
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}
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/* save pointer to Boot Map Table */
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@@ -365,19 +409,21 @@ static void ipl_eckd_cdl(void)
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s1b_block_nr = eckd_block_num(&ipl2->stage1.seek[0].chs);
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memset(sec, FREE_SPACE_FILLER, sizeof(sec));
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- read_block(2, vlbl, "Cannot read Volume Label at block 2");
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+ if (virtio_read(2, vlbl)) {
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+ puts("Cannot read Volume Label at block 2");
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+ return -EIO;
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+ }
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if (!magic_match(vlbl->key, VOL1_MAGIC)) {
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puts("Invalid magic of volume label block.");
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- return;
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+ return 0;
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}
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if (!magic_match(vlbl->f.key, VOL1_MAGIC)) {
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puts("Invalid magic of volser block.");
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- return;
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+ return 0;
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}
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print_volser(vlbl->f.volser);
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- run_eckd_boot_script(bmt_block_nr, s1b_block_nr);
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- /* no return */
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+ return run_eckd_boot_script(bmt_block_nr, s1b_block_nr);
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}
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static void print_eckd_ldl_msg(ECKD_IPL_mode_t mode)
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@@ -403,7 +449,7 @@ static void print_eckd_ldl_msg(ECKD_IPL_mode_t mode)
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print_volser(vlbl->volser);
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}
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-static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
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+static int ipl_eckd_ldl(ECKD_IPL_mode_t mode)
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{
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block_number_t bmt_block_nr, s1b_block_nr;
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EckdLdlIpl1 *ipl1 = (void *)sec;
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@@ -415,10 +461,13 @@ static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
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/* DO NOT read BootMap pointer (only one, xECKD) at block #2 */
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memset(sec, FREE_SPACE_FILLER, sizeof(sec));
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- read_block(0, sec, "Cannot read block 0 to grab boot info.");
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+ if (virtio_read(0, sec)) {
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+ puts("Cannot read block 0 to grab boot info.");
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+ return -EIO;
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+ }
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if (mode == ECKD_LDL_UNLABELED) {
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if (!magic_match(ipl1->bip.magic, ZIPL_MAGIC)) {
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- return; /* not applicable layout */
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+ return 0; /* not applicable layout */
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}
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puts("unlabeled LDL.");
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}
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@@ -430,8 +479,7 @@ static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
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/* save pointer to Stage1b Data */
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s1b_block_nr = eckd_block_num(&ipl1->stage1.seek[0].chs);
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- run_eckd_boot_script(bmt_block_nr, s1b_block_nr);
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- /* no return */
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+ return run_eckd_boot_script(bmt_block_nr, s1b_block_nr);
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}
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static block_number_t eckd_find_bmt(ExtEckdBlockPtr *ptr)
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@@ -441,7 +489,10 @@ static block_number_t eckd_find_bmt(ExtEckdBlockPtr *ptr)
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BootRecord *br;
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blockno = gen_eckd_block_num(ptr, 0);
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- read_block(blockno, tmp_sec, "Cannot read boot record");
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+ if (virtio_read(blockno, tmp_sec)) {
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+ puts("Cannot read boot record");
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+ return ERROR_BLOCK_NR;
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+ }
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br = (BootRecord *)tmp_sec;
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if (!magic_match(br->magic, ZIPL_MAGIC)) {
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/* If the boot record is invalid, return and try CCW-IPL instead */
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@@ -470,7 +521,7 @@ static void print_eckd_msg(void)
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printf("%s", msg);
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}
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-static void ipl_eckd(void)
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+static int ipl_eckd(void)
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{
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IplVolumeLabel *vlbl = (void *)sec;
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LDL_VTOC *vtoc = (void *)sec;
|
|
@@ -480,7 +531,10 @@ static void ipl_eckd(void)
|
|
|
|
/* Block 2 can contain either the CDL VOL1 label or the LDL VTOC */
|
|
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
|
|
- read_block(2, vlbl, "Cannot read block 2");
|
|
+ if (virtio_read(2, vlbl)) {
|
|
+ puts("Cannot read block 2");
|
|
+ return -EIO;
|
|
+ }
|
|
|
|
/*
|
|
* First check for a list-directed-format pointer which would
|
|
@@ -488,36 +542,53 @@ static void ipl_eckd(void)
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|
*/
|
|
if (eckd_valid_address((ExtEckdBlockPtr *)&vlbl->f.br, 0)) {
|
|
ldipl_bmt = eckd_find_bmt((ExtEckdBlockPtr *)&vlbl->f.br);
|
|
- if (ldipl_bmt) {
|
|
+ switch (ldipl_bmt) {
|
|
+ case ERROR_BLOCK_NR:
|
|
+ return -EIO;
|
|
+ case NULL_BLOCK_NR:
|
|
+ break; /* Invalid BMT but the device may still boot with CCW-IPL */
|
|
+ default:
|
|
puts("List-Directed");
|
|
- /* LD-IPL does not use the S1B bock, just make it NULL */
|
|
- run_eckd_boot_script(ldipl_bmt, NULL_BLOCK_NR);
|
|
- /* Only return in error, retry as CCW-IPL */
|
|
+ /*
|
|
+ * LD-IPL does not use the S1B bock, just make it NULL_BLOCK_NR.
|
|
+ * In some failure cases retry IPL before aborting.
|
|
+ */
|
|
+ if (run_eckd_boot_script(ldipl_bmt, NULL_BLOCK_NR)) {
|
|
+ return -EIO;
|
|
+ }
|
|
+ /* Non-fatal error, retry as CCW-IPL */
|
|
printf("Retrying IPL ");
|
|
print_eckd_msg();
|
|
}
|
|
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
|
|
- read_block(2, vtoc, "Cannot read block 2");
|
|
+ if (virtio_read(2, vtoc)) {
|
|
+ puts("Cannot read block 2");
|
|
+ return -EIO;
|
|
+ }
|
|
}
|
|
|
|
/* Not list-directed */
|
|
if (magic_match(vtoc->magic, VOL1_MAGIC)) {
|
|
- ipl_eckd_cdl(); /* may return in error */
|
|
+ if (ipl_eckd_cdl()) {
|
|
+ return -1;
|
|
+ }
|
|
}
|
|
|
|
if (magic_match(vtoc->magic, CMS1_MAGIC)) {
|
|
- ipl_eckd_ldl(ECKD_CMS); /* no return */
|
|
+ return ipl_eckd_ldl(ECKD_CMS);
|
|
}
|
|
if (magic_match(vtoc->magic, LNX1_MAGIC)) {
|
|
- ipl_eckd_ldl(ECKD_LDL); /* no return */
|
|
+ return ipl_eckd_ldl(ECKD_LDL);
|
|
}
|
|
|
|
- ipl_eckd_ldl(ECKD_LDL_UNLABELED); /* it still may return */
|
|
+ if (ipl_eckd_ldl(ECKD_LDL_UNLABELED)) {
|
|
+ return -1;
|
|
+ }
|
|
/*
|
|
* Ok, it is not a LDL by any means.
|
|
* It still might be a CDL with zero record keys for IPL1 and IPL2
|
|
*/
|
|
- ipl_eckd_cdl();
|
|
+ return ipl_eckd_cdl();
|
|
}
|
|
|
|
/***********************************************************************
|
|
@@ -910,7 +981,7 @@ static bool has_iso_signature(void)
|
|
* Bus specific IPL sequences
|
|
*/
|
|
|
|
-static void zipl_load_vblk(void)
|
|
+static int zipl_load_vblk(void)
|
|
{
|
|
int blksize = virtio_get_block_size();
|
|
|
|
@@ -919,7 +990,7 @@ static void zipl_load_vblk(void)
|
|
virtio_assume_iso9660();
|
|
}
|
|
if (ipl_iso_el_torito()) {
|
|
- return;
|
|
+ return 0;
|
|
}
|
|
}
|
|
|
|
@@ -927,21 +998,21 @@ static void zipl_load_vblk(void)
|
|
puts("Using guessed DASD geometry.");
|
|
virtio_assume_eckd();
|
|
}
|
|
- ipl_eckd();
|
|
+ return ipl_eckd();
|
|
}
|
|
|
|
-static void zipl_load_vscsi(void)
|
|
+static int zipl_load_vscsi(void)
|
|
{
|
|
if (virtio_get_block_size() == VIRTIO_ISO_BLOCK_SIZE) {
|
|
/* Is it an ISO image in non-CD drive? */
|
|
if (ipl_iso_el_torito()) {
|
|
- return;
|
|
+ return 0;
|
|
}
|
|
}
|
|
|
|
puts("Using guessed DASD geometry.");
|
|
virtio_assume_eckd();
|
|
- ipl_eckd();
|
|
+ return ipl_eckd();
|
|
}
|
|
|
|
/***********************************************************************
|
|
diff --git a/pc-bios/s390-ccw/bootmap.h b/pc-bios/s390-ccw/bootmap.h
|
|
index 3cb573b86b..95943441d3 100644
|
|
--- a/pc-bios/s390-ccw/bootmap.h
|
|
+++ b/pc-bios/s390-ccw/bootmap.h
|
|
@@ -16,6 +16,7 @@
|
|
|
|
typedef uint64_t block_number_t;
|
|
#define NULL_BLOCK_NR 0xffffffffffffffffULL
|
|
+#define ERROR_BLOCK_NR 0xfffffffffffffffeULL
|
|
|
|
#define FREE_SPACE_FILLER '\xAA'
|
|
|
|
--
|
|
2.39.3
|
|
|