--- /dev/null
+/*
+ * sys32.S: I-cache tricks for 32-bit compatibility layer simple
+ * conversions.
+ *
+ * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
+ */
+
+#include <asm/errno.h>
+
+/* NOTE: call as jump breaks return stack, we have to avoid that */
+
+ .text
+
+#define SIGN1(STUB,SYSCALL,REG1) \
+ .align 32; \
+ .globl STUB; \
+STUB: sethi %hi(SYSCALL), %g1; \
+ jmpl %g1 + %lo(SYSCALL), %g0; \
+ sra REG1, 0, REG1
+
+#define SIGN2(STUB,SYSCALL,REG1,REG2) \
+ .align 32; \
+ .globl STUB; \
+STUB: sethi %hi(SYSCALL), %g1; \
+ sra REG1, 0, REG1; \
+ jmpl %g1 + %lo(SYSCALL), %g0; \
+ sra REG2, 0, REG2
+
+#define SIGN3(STUB,SYSCALL,REG1,REG2,REG3) \
+ .align 32; \
+ .globl STUB; \
+STUB: sra REG1, 0, REG1; \
+ sethi %hi(SYSCALL), %g1; \
+ sra REG2, 0, REG2; \
+ jmpl %g1 + %lo(SYSCALL), %g0; \
+ sra REG3, 0, REG3
+
+SIGN1(sys32_readahead, compat_sys_readahead, %o0)
+SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
+SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
+SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1)
+SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
+SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
+SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
+SIGN1(sys32_select, compat_sys_select, %o0)
+SIGN1(sys32_futex, compat_sys_futex, %o1)
+SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0)
+SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
+SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
+SIGN2(sys32_renameat2, sys_renameat2, %o0, %o2)
+
+ .globl sys32_mmap2
+sys32_mmap2:
+ sethi %hi(sys_mmap), %g1
+ jmpl %g1 + %lo(sys_mmap), %g0
+ sllx %o5, 12, %o5
+
+ .align 32
+ .globl sys32_socketcall
+sys32_socketcall: /* %o0=call, %o1=args */
+ cmp %o0, 1
+ bl,pn %xcc, do_einval
+ cmp %o0, 18
+ bg,pn %xcc, do_einval
+ sub %o0, 1, %o0
+ sllx %o0, 5, %o0
+ sethi %hi(__socketcall_table_begin), %g2
+ or %g2, %lo(__socketcall_table_begin), %g2
+ jmpl %g2 + %o0, %g0
+ nop
+do_einval:
+ retl
+ mov -EINVAL, %o0
+
+ .align 32
+__socketcall_table_begin:
+
+ /* Each entry is exactly 32 bytes. */
+do_sys_socket: /* sys_socket(int, int, int) */
+1: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_socket), %g1
+2: ldswa [%o1 + 0x8] %asi, %o2
+ jmpl %g1 + %lo(sys_socket), %g0
+3: ldswa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+ nop
+do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */
+4: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_bind), %g1
+5: ldswa [%o1 + 0x8] %asi, %o2
+ jmpl %g1 + %lo(sys_bind), %g0
+6: lduwa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+ nop
+do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */
+7: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_connect), %g1
+8: ldswa [%o1 + 0x8] %asi, %o2
+ jmpl %g1 + %lo(sys_connect), %g0
+9: lduwa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+ nop
+do_sys_listen: /* sys_listen(int, int) */
+10: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_listen), %g1
+ jmpl %g1 + %lo(sys_listen), %g0
+11: ldswa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+ nop
+ nop
+do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */
+12: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_accept), %g1
+13: lduwa [%o1 + 0x8] %asi, %o2
+ jmpl %g1 + %lo(sys_accept), %g0
+14: lduwa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+ nop
+do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */
+15: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_getsockname), %g1
+16: lduwa [%o1 + 0x8] %asi, %o2
+ jmpl %g1 + %lo(sys_getsockname), %g0
+17: lduwa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+ nop
+do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */
+18: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_getpeername), %g1
+19: lduwa [%o1 + 0x8] %asi, %o2
+ jmpl %g1 + %lo(sys_getpeername), %g0
+20: lduwa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+ nop
+do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */
+21: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_socketpair), %g1
+22: ldswa [%o1 + 0x8] %asi, %o2
+23: lduwa [%o1 + 0xc] %asi, %o3
+ jmpl %g1 + %lo(sys_socketpair), %g0
+24: ldswa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */
+25: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_send), %g1
+26: lduwa [%o1 + 0x8] %asi, %o2
+27: lduwa [%o1 + 0xc] %asi, %o3
+ jmpl %g1 + %lo(sys_send), %g0
+28: lduwa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
+29: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_recv), %g1
+30: lduwa [%o1 + 0x8] %asi, %o2
+31: lduwa [%o1 + 0xc] %asi, %o3
+ jmpl %g1 + %lo(sys_recv), %g0
+32: lduwa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
+33: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_sendto), %g1
+34: lduwa [%o1 + 0x8] %asi, %o2
+35: lduwa [%o1 + 0xc] %asi, %o3
+36: lduwa [%o1 + 0x10] %asi, %o4
+37: ldswa [%o1 + 0x14] %asi, %o5
+ jmpl %g1 + %lo(sys_sendto), %g0
+38: lduwa [%o1 + 0x4] %asi, %o1
+do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
+39: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_recvfrom), %g1
+40: lduwa [%o1 + 0x8] %asi, %o2
+41: lduwa [%o1 + 0xc] %asi, %o3
+42: lduwa [%o1 + 0x10] %asi, %o4
+43: lduwa [%o1 + 0x14] %asi, %o5
+ jmpl %g1 + %lo(sys_recvfrom), %g0
+44: lduwa [%o1 + 0x4] %asi, %o1
+do_sys_shutdown: /* sys_shutdown(int, int) */
+45: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_shutdown), %g1
+ jmpl %g1 + %lo(sys_shutdown), %g0
+46: ldswa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+ nop
+ nop
+do_sys_setsockopt: /* compat_sys_setsockopt(int, int, int, char *, int) */
+47: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(compat_sys_setsockopt), %g1
+48: ldswa [%o1 + 0x8] %asi, %o2
+49: lduwa [%o1 + 0xc] %asi, %o3
+50: ldswa [%o1 + 0x10] %asi, %o4
+ jmpl %g1 + %lo(compat_sys_setsockopt), %g0
+51: ldswa [%o1 + 0x4] %asi, %o1
+ nop
+do_sys_getsockopt: /* compat_sys_getsockopt(int, int, int, u32, u32) */
+52: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(compat_sys_getsockopt), %g1
+53: ldswa [%o1 + 0x8] %asi, %o2
+54: lduwa [%o1 + 0xc] %asi, %o3
+55: lduwa [%o1 + 0x10] %asi, %o4
+ jmpl %g1 + %lo(compat_sys_getsockopt), %g0
+56: ldswa [%o1 + 0x4] %asi, %o1
+ nop
+do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */
+57: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(compat_sys_sendmsg), %g1
+58: lduwa [%o1 + 0x8] %asi, %o2
+ jmpl %g1 + %lo(compat_sys_sendmsg), %g0
+59: lduwa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+ nop
+do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */
+60: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(compat_sys_recvmsg), %g1
+61: lduwa [%o1 + 0x8] %asi, %o2
+ jmpl %g1 + %lo(compat_sys_recvmsg), %g0
+62: lduwa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+ nop
+do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */
+63: ldswa [%o1 + 0x0] %asi, %o0
+ sethi %hi(sys_accept4), %g1
+64: lduwa [%o1 + 0x8] %asi, %o2
+65: ldswa [%o1 + 0xc] %asi, %o3
+ jmpl %g1 + %lo(sys_accept4), %g0
+66: lduwa [%o1 + 0x4] %asi, %o1
+ nop
+ nop
+
+ .section __ex_table,"a"
+ .align 4
+ .word 1b, __retl_efault, 2b, __retl_efault
+ .word 3b, __retl_efault, 4b, __retl_efault
+ .word 5b, __retl_efault, 6b, __retl_efault
+ .word 7b, __retl_efault, 8b, __retl_efault
+ .word 9b, __retl_efault, 10b, __retl_efault
+ .word 11b, __retl_efault, 12b, __retl_efault
+ .word 13b, __retl_efault, 14b, __retl_efault
+ .word 15b, __retl_efault, 16b, __retl_efault
+ .word 17b, __retl_efault, 18b, __retl_efault
+ .word 19b, __retl_efault, 20b, __retl_efault
+ .word 21b, __retl_efault, 22b, __retl_efault
+ .word 23b, __retl_efault, 24b, __retl_efault
+ .word 25b, __retl_efault, 26b, __retl_efault
+ .word 27b, __retl_efault, 28b, __retl_efault
+ .word 29b, __retl_efault, 30b, __retl_efault
+ .word 31b, __retl_efault, 32b, __retl_efault
+ .word 33b, __retl_efault, 34b, __retl_efault
+ .word 35b, __retl_efault, 36b, __retl_efault
+ .word 37b, __retl_efault, 38b, __retl_efault
+ .word 39b, __retl_efault, 40b, __retl_efault
+ .word 41b, __retl_efault, 42b, __retl_efault
+ .word 43b, __retl_efault, 44b, __retl_efault
+ .word 45b, __retl_efault, 46b, __retl_efault
+ .word 47b, __retl_efault, 48b, __retl_efault
+ .word 49b, __retl_efault, 50b, __retl_efault
+ .word 51b, __retl_efault, 52b, __retl_efault
+ .word 53b, __retl_efault, 54b, __retl_efault
+ .word 55b, __retl_efault, 56b, __retl_efault
+ .word 57b, __retl_efault, 58b, __retl_efault
+ .word 59b, __retl_efault, 60b, __retl_efault
+ .word 61b, __retl_efault, 62b, __retl_efault
+ .word 63b, __retl_efault, 64b, __retl_efault
+ .word 65b, __retl_efault, 66b, __retl_efault
+ .previous
Code Review / kvmfornfv.git / blobdiff