s390: remove SALIPL loader

There is no known user, therefore remove the code.

Acked-by: Rob Van Der Heij <robvdheij@nl.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index 1b0f624..301ee9c 100644 (file)
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -60,19 +60,6 @@ __HEAD
        .long   0x020006e0,0x20000050
 
        .org    0x200
-#
-# subroutine to set architecture mode
-#
-.Lsetmode:
-       mvi     __LC_AR_MODE_ID,1       # set esame flag
-       slr     %r0,%r0                 # set cpuid to zero
-       lhi     %r1,2                   # mode 2 = esame (dump)
-       sigp    %r1,%r0,0x12            # switch to esame mode
-       bras    %r13,0f
-       .fill   16,4,0x0
-0:     lmh     %r0,%r15,0(%r13)        # clear high-order half of gprs
-       sam31                           # switch to 31 bit addressing mode
-       br      %r14
 
 #
 # subroutine to wait for end I/O
@@ -160,7 +147,14 @@ __HEAD
        .long   0x02200050,0x00000000
 
 iplstart:
-       bas     %r14,.Lsetmode          # Immediately switch to 64 bit mode
+       mvi     __LC_AR_MODE_ID,1       # set esame flag
+       slr     %r0,%r0                 # set cpuid to zero
+       lhi     %r1,2                   # mode 2 = esame (dump)
+       sigp    %r1,%r0,0x12            # switch to esame mode
+       bras    %r13,0f
+       .fill   16,4,0x0
+0:     lmh     %r0,%r15,0(%r13)        # clear high-order half of gprs
+       sam31                           # switch to 31 bit addressing mode
        lh      %r1,0xb8                # test if subchannel number
        bct     %r1,.Lnoload            #  is valid
        l       %r1,0xb8                # load ipl subchannel number
@@ -270,71 +264,6 @@ iplstart:
 .Lcpuid:.fill  8,1,0
 
 #
-# SALIPL loader support. Based on a patch by Rob van der Heij.
-# This entry point is called directly from the SALIPL loader and
-# doesn't need a builtin ipl record.
-#
-       .org    0x800
-ENTRY(start)
-       stm     %r0,%r15,0x07b0         # store registers
-       bas     %r14,.Lsetmode          # Immediately switch to 64 bit mode
-       basr    %r12,%r0
-.base:
-       l       %r11,.parm
-       l       %r8,.cmd                # pointer to command buffer
-
-       ltr     %r9,%r9                 # do we have SALIPL parameters?
-       bp      .sk8x8
-
-       mvc     0(64,%r8),0x00b0        # copy saved registers
-       xc      64(240-64,%r8),0(%r8)   # remainder of buffer
-       tr      0(64,%r8),.lowcase
-       b       .gotr
-.sk8x8:
-       mvc     0(240,%r8),0(%r9)       # copy iplparms into buffer
-.gotr:
-       slr     %r0,%r0
-       st      %r0,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r11)
-       st      %r0,INITRD_START+ARCH_OFFSET-PARMAREA(%r11)
-       j       startup                 # continue with startup
-.cmd:  .long   COMMAND_LINE            # address of command line buffer
-.parm: .long   PARMAREA
-.lowcase:
-       .byte 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07
-       .byte 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f
-       .byte 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17
-       .byte 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f
-       .byte 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27
-       .byte 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f
-       .byte 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37
-       .byte 0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f
-       .byte 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47
-       .byte 0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f
-       .byte 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57
-       .byte 0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f
-       .byte 0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67
-       .byte 0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f
-       .byte 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77
-       .byte 0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f
-
-       .byte 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87
-       .byte 0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f
-       .byte 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97
-       .byte 0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f
-       .byte 0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7
-       .byte 0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf
-       .byte 0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7
-       .byte 0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf
-       .byte 0xc0,0x81,0x82,0x83,0x84,0x85,0x86,0x87   # .abcdefg
-       .byte 0x88,0x89,0xca,0xcb,0xcc,0xcd,0xce,0xcf   # hi
-       .byte 0xd0,0x91,0x92,0x93,0x94,0x95,0x96,0x97   # .jklmnop
-       .byte 0x98,0x99,0xda,0xdb,0xdc,0xdd,0xde,0xdf   # qr
-       .byte 0xe0,0xe1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7   # ..stuvwx
-       .byte 0xa8,0xa9,0xea,0xeb,0xec,0xed,0xee,0xef   # yz
-       .byte 0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7
-       .byte 0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff
-
-#
 # startup-code at 0x10000, running in absolute addressing mode
 # this is called either by the ipl loader or directly by PSW restart
 # or linload or SALIPL