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https://github.com/ibm-s390-linux/s390-tools.git
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eb06ebe245
- Move zipl/boot/error.h to include/boot - Adjust include statements in zipb/boot and genprotimg/boot - Remove error.h from tunedasd/src/tunedasd.c as not needed - Fix tunedasd/src/Makefile Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com> Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
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* Main program for stage3a bootloader
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*
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* Copyright IBM Corp. 2020
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#include "libc.h"
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#include "stage3a.h"
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#include "lib/zt_common.h"
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#include "boot/error.h"
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#include "boot/s390.h"
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#include "boot/ipl.h"
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#include "sclp.h"
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static volatile struct stage3a_args __section(".loader_parms") loader_parms;
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void __noreturn start(void)
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{
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int rc;
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volatile struct stage3a_args *args = &loader_parms;
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/* calculate the IPIB memory address */
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struct ipl_parameter_block *ipib = (void *)((uint64_t)args + args->ipib_offs);
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/* Calculate the PV header memory address and set it and its
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* size in the IPIB. This allows the PV header to be position
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* independent.
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*/
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ipib->pv.pv_hdr_addr = (uint64_t)args + args->hdr_offs;
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ipib->pv.pv_hdr_size = args->hdr_size;
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/* set up ASCII and line-mode */
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sclp_setup(SCLP_LINE_ASCII_INIT);
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/* test if Secure Execution Unpack facility is available */
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stfle(S390_lowcore.stfle_fac_list,
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ARRAY_SIZE(S390_lowcore.stfle_fac_list));
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rc = test_facility(UNPACK_FACILITY);
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if (rc == 0)
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panic(ENOPV, "Secure unpack facility is not available\n");
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rc = diag308(DIAG308_SET_PV, ipib);
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if (rc != DIAG308_RC_OK)
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panic(EPV, "Protected boot setup has failed: 0x%x\n", rc);
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rc = diag308(DIAG308_UNPACK_PV, 0x0);
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if (rc != DIAG308_RC_OK) {
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sclp_setup(SCLP_LINE_ASCII_INIT);
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panic(EPV, "Protected boot has failed: 0x%x\n", rc);
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}
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while (1)
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;
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}
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void panic_notify(unsigned long UNUSED(rc))
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{
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}
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