diff options
Diffstat (limited to 'opcodes/aarch64-opc.c')
| -rw-r--r-- | opcodes/aarch64-opc.c | 189 |
1 files changed, 99 insertions, 90 deletions
diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c index 9d7f941..365cf15 100644 --- a/opcodes/aarch64-opc.c +++ b/opcodes/aarch64-opc.c @@ -3556,11 +3556,38 @@ aarch64_print_operand (char *buf, size_t size, bfd_vma pc, case AARCH64_OPND_SYSREG: for (i = 0; aarch64_sys_regs[i].name; ++i) - if (aarch64_sys_regs[i].value == opnd->sysreg.value - && ! aarch64_sys_reg_deprecated_p (&aarch64_sys_regs[i])) - break; - if (aarch64_sys_regs[i].name) - snprintf (buf, size, "%s", aarch64_sys_regs[i].name); + { + bfd_boolean exact_match + = (aarch64_sys_regs[i].flags & opnd->sysreg.flags) + == opnd->sysreg.flags; + + /* Try and find an exact match, But if that fails, return the first + partial match that was found. */ + if (aarch64_sys_regs[i].value == opnd->sysreg.value + && ! aarch64_sys_reg_deprecated_p (&aarch64_sys_regs[i]) + && (name == NULL || exact_match)) + { + name = aarch64_sys_regs[i].name; + if (exact_match) + { + if (notes) + *notes = NULL; + break; + } + + /* If we didn't match exactly, that means the presense of a flag + indicates what we didn't want for this instruction. e.g. If + F_REG_READ is there, that means we were looking for a write + register. See aarch64_ext_sysreg. */ + if (aarch64_sys_regs[i].flags & F_REG_WRITE) + *notes = _("reading from a write-only register."); + else if (aarch64_sys_regs[i].flags & F_REG_READ) + *notes = _("writing to a read-only register."); + } + } + + if (name) + snprintf (buf, size, "%s", name); else { /* Implementation defined system register. */ @@ -3638,26 +3665,8 @@ aarch64_print_operand (char *buf, size_t size, bfd_vma pc, #define C14 14 #define C15 15 -#ifdef F_DEPRECATED -#undef F_DEPRECATED -#endif -#define F_DEPRECATED 0x1 /* Deprecated system register. */ - -#ifdef F_ARCHEXT -#undef F_ARCHEXT -#endif -#define F_ARCHEXT 0x2 /* Architecture dependent system register. */ - -#ifdef F_HASXT -#undef F_HASXT -#endif -#define F_HASXT 0x4 /* System instruction register <Xt> - operand. */ - - -/* TODO there are two more issues need to be resolved - 1. handle read-only and write-only system registers - 2. handle cpu-implementation-defined system registers. */ +/* TODO there is one more issues need to be resolved + 1. handle cpu-implementation-defined system registers. */ const aarch64_sys_reg aarch64_sys_regs [] = { { "spsr_el1", CPEN_(0,C0,0), 0 }, /* = spsr_svc */ @@ -3667,7 +3676,7 @@ const aarch64_sys_reg aarch64_sys_regs [] = { "sp_el0", CPEN_(0,C1,0), 0 }, { "spsel", CPEN_(0,C2,0), 0 }, { "daif", CPEN_(3,C2,1), 0 }, - { "currentel", CPEN_(0,C2,2), 0 }, /* RO */ + { "currentel", CPEN_(0,C2,2), F_REG_READ }, /* RO */ { "pan", CPEN_(0,C2,3), F_ARCHEXT }, { "uao", CPEN_ (0, C2, 4), F_ARCHEXT }, { "nzcv", CPEN_(3,C2,0), 0 }, @@ -3687,45 +3696,45 @@ const aarch64_sys_reg aarch64_sys_regs [] = { "sp_el2", CPEN_(6,C1,0), 0 }, { "spsr_svc", CPEN_(0,C0,0), F_DEPRECATED }, /* = spsr_el1 */ { "spsr_hyp", CPEN_(4,C0,0), F_DEPRECATED }, /* = spsr_el2 */ - { "midr_el1", CPENC(3,0,C0,C0,0), 0 }, /* RO */ - { "ctr_el0", CPENC(3,3,C0,C0,1), 0 }, /* RO */ - { "mpidr_el1", CPENC(3,0,C0,C0,5), 0 }, /* RO */ - { "revidr_el1", CPENC(3,0,C0,C0,6), 0 }, /* RO */ - { "aidr_el1", CPENC(3,1,C0,C0,7), 0 }, /* RO */ - { "dczid_el0", CPENC(3,3,C0,C0,7), 0 }, /* RO */ - { "id_dfr0_el1", CPENC(3,0,C0,C1,2), 0 }, /* RO */ - { "id_pfr0_el1", CPENC(3,0,C0,C1,0), 0 }, /* RO */ - { "id_pfr1_el1", CPENC(3,0,C0,C1,1), 0 }, /* RO */ - { "id_afr0_el1", CPENC(3,0,C0,C1,3), 0 }, /* RO */ - { "id_mmfr0_el1", CPENC(3,0,C0,C1,4), 0 }, /* RO */ - { "id_mmfr1_el1", CPENC(3,0,C0,C1,5), 0 }, /* RO */ - { "id_mmfr2_el1", CPENC(3,0,C0,C1,6), 0 }, /* RO */ - { "id_mmfr3_el1", CPENC(3,0,C0,C1,7), 0 }, /* RO */ - { "id_mmfr4_el1", CPENC(3,0,C0,C2,6), 0 }, /* RO */ - { "id_isar0_el1", CPENC(3,0,C0,C2,0), 0 }, /* RO */ - { "id_isar1_el1", CPENC(3,0,C0,C2,1), 0 }, /* RO */ - { "id_isar2_el1", CPENC(3,0,C0,C2,2), 0 }, /* RO */ - { "id_isar3_el1", CPENC(3,0,C0,C2,3), 0 }, /* RO */ - { "id_isar4_el1", CPENC(3,0,C0,C2,4), 0 }, /* RO */ - { "id_isar5_el1", CPENC(3,0,C0,C2,5), 0 }, /* RO */ - { "mvfr0_el1", CPENC(3,0,C0,C3,0), 0 }, /* RO */ - { "mvfr1_el1", CPENC(3,0,C0,C3,1), 0 }, /* RO */ - { "mvfr2_el1", CPENC(3,0,C0,C3,2), 0 }, /* RO */ - { "ccsidr_el1", CPENC(3,1,C0,C0,0), 0 }, /* RO */ - { "id_aa64pfr0_el1", CPENC(3,0,C0,C4,0), 0 }, /* RO */ - { "id_aa64pfr1_el1", CPENC(3,0,C0,C4,1), 0 }, /* RO */ - { "id_aa64dfr0_el1", CPENC(3,0,C0,C5,0), 0 }, /* RO */ - { "id_aa64dfr1_el1", CPENC(3,0,C0,C5,1), 0 }, /* RO */ - { "id_aa64isar0_el1", CPENC(3,0,C0,C6,0), 0 }, /* RO */ - { "id_aa64isar1_el1", CPENC(3,0,C0,C6,1), 0 }, /* RO */ - { "id_aa64mmfr0_el1", CPENC(3,0,C0,C7,0), 0 }, /* RO */ - { "id_aa64mmfr1_el1", CPENC(3,0,C0,C7,1), 0 }, /* RO */ - { "id_aa64mmfr2_el1", CPENC (3, 0, C0, C7, 2), F_ARCHEXT }, /* RO */ - { "id_aa64afr0_el1", CPENC(3,0,C0,C5,4), 0 }, /* RO */ - { "id_aa64afr1_el1", CPENC(3,0,C0,C5,5), 0 }, /* RO */ - { "id_aa64zfr0_el1", CPENC (3, 0, C0, C4, 4), F_ARCHEXT }, /* RO */ - { "clidr_el1", CPENC(3,1,C0,C0,1), 0 }, /* RO */ - { "csselr_el1", CPENC(3,2,C0,C0,0), 0 }, /* RO */ + { "midr_el1", CPENC(3,0,C0,C0,0), F_REG_READ }, /* RO */ + { "ctr_el0", CPENC(3,3,C0,C0,1), F_REG_READ }, /* RO */ + { "mpidr_el1", CPENC(3,0,C0,C0,5), F_REG_READ }, /* RO */ + { "revidr_el1", CPENC(3,0,C0,C0,6), F_REG_READ }, /* RO */ + { "aidr_el1", CPENC(3,1,C0,C0,7), F_REG_READ }, /* RO */ + { "dczid_el0", CPENC(3,3,C0,C0,7), F_REG_READ }, /* RO */ + { "id_dfr0_el1", CPENC(3,0,C0,C1,2), F_REG_READ }, /* RO */ + { "id_pfr0_el1", CPENC(3,0,C0,C1,0), F_REG_READ }, /* RO */ + { "id_pfr1_el1", CPENC(3,0,C0,C1,1), F_REG_READ }, /* RO */ + { "id_afr0_el1", CPENC(3,0,C0,C1,3), F_REG_READ }, /* RO */ + { "id_mmfr0_el1", CPENC(3,0,C0,C1,4), F_REG_READ }, /* RO */ + { "id_mmfr1_el1", CPENC(3,0,C0,C1,5), F_REG_READ }, /* RO */ + { "id_mmfr2_el1", CPENC(3,0,C0,C1,6), F_REG_READ }, /* RO */ + { "id_mmfr3_el1", CPENC(3,0,C0,C1,7), F_REG_READ }, /* RO */ + { "id_mmfr4_el1", CPENC(3,0,C0,C2,6), F_REG_READ }, /* RO */ + { "id_isar0_el1", CPENC(3,0,C0,C2,0), F_REG_READ }, /* RO */ + { "id_isar1_el1", CPENC(3,0,C0,C2,1), F_REG_READ }, /* RO */ + { "id_isar2_el1", CPENC(3,0,C0,C2,2), F_REG_READ }, /* RO */ + { "id_isar3_el1", CPENC(3,0,C0,C2,3), F_REG_READ }, /* RO */ + { "id_isar4_el1", CPENC(3,0,C0,C2,4), F_REG_READ }, /* RO */ + { "id_isar5_el1", CPENC(3,0,C0,C2,5), F_REG_READ }, /* RO */ + { "mvfr0_el1", CPENC(3,0,C0,C3,0), F_REG_READ }, /* RO */ + { "mvfr1_el1", CPENC(3,0,C0,C3,1), F_REG_READ }, /* RO */ + { "mvfr2_el1", CPENC(3,0,C0,C3,2), F_REG_READ }, /* RO */ + { "ccsidr_el1", CPENC(3,1,C0,C0,0), F_REG_READ }, /* RO */ + { "id_aa64pfr0_el1", CPENC(3,0,C0,C4,0), F_REG_READ }, /* RO */ + { "id_aa64pfr1_el1", CPENC(3,0,C0,C4,1), F_REG_READ }, /* RO */ + { "id_aa64dfr0_el1", CPENC(3,0,C0,C5,0), F_REG_READ }, /* RO */ + { "id_aa64dfr1_el1", CPENC(3,0,C0,C5,1), F_REG_READ }, /* RO */ + { "id_aa64isar0_el1", CPENC(3,0,C0,C6,0), F_REG_READ }, /* RO */ + { "id_aa64isar1_el1", CPENC(3,0,C0,C6,1), F_REG_READ }, /* RO */ + { "id_aa64mmfr0_el1", CPENC(3,0,C0,C7,0), F_REG_READ }, /* RO */ + { "id_aa64mmfr1_el1", CPENC(3,0,C0,C7,1), F_REG_READ }, /* RO */ + { "id_aa64mmfr2_el1", CPENC (3, 0, C0, C7, 2), F_ARCHEXT | F_REG_READ }, /* RO */ + { "id_aa64afr0_el1", CPENC(3,0,C0,C5,4), F_REG_READ }, /* RO */ + { "id_aa64afr1_el1", CPENC(3,0,C0,C5,5), F_REG_READ }, /* RO */ + { "id_aa64zfr0_el1", CPENC (3, 0, C0, C4, 4), F_ARCHEXT | F_REG_READ }, /* RO */ + { "clidr_el1", CPENC(3,1,C0,C0,1), F_REG_READ }, /* RO */ + { "csselr_el1", CPENC(3,2,C0,C0,0), F_REG_READ }, /* RO */ { "vpidr_el2", CPENC(3,4,C0,C0,0), 0 }, { "vmpidr_el2", CPENC(3,4,C0,C0,5), 0 }, { "sctlr_el1", CPENC(3,0,C1,C0,0), 0 }, @@ -3785,11 +3794,11 @@ const aarch64_sys_reg aarch64_sys_regs [] = { "esr_el2", CPENC(3,4,C5,C2,0), 0 }, { "esr_el3", CPENC(3,6,C5,C2,0), 0 }, { "esr_el12", CPENC (3, 5, C5, C2, 0), F_ARCHEXT }, - { "vsesr_el2", CPENC (3, 4, C5, C2, 3), F_ARCHEXT }, /* RO */ + { "vsesr_el2", CPENC (3, 4, C5, C2, 3), F_ARCHEXT | F_REG_READ }, /* RO */ { "fpexc32_el2", CPENC(3,4,C5,C3,0), 0 }, - { "erridr_el1", CPENC (3, 0, C5, C3, 0), F_ARCHEXT }, /* RO */ + { "erridr_el1", CPENC (3, 0, C5, C3, 0), F_ARCHEXT | F_REG_READ }, /* RO */ { "errselr_el1", CPENC (3, 0, C5, C3, 1), F_ARCHEXT }, - { "erxfr_el1", CPENC (3, 0, C5, C4, 0), F_ARCHEXT }, /* RO */ + { "erxfr_el1", CPENC (3, 0, C5, C4, 0), F_ARCHEXT | F_REG_READ }, /* RO */ { "erxctlr_el1", CPENC (3, 0, C5, C4, 1), F_ARCHEXT }, { "erxstatus_el1", CPENC (3, 0, C5, C4, 2), F_ARCHEXT }, { "erxaddr_el1", CPENC (3, 0, C5, C4, 3), F_ARCHEXT }, @@ -3813,27 +3822,27 @@ const aarch64_sys_reg aarch64_sys_regs [] = { "vbar_el2", CPENC(3,4,C12,C0,0), 0 }, { "vbar_el3", CPENC(3,6,C12,C0,0), 0 }, { "vbar_el12", CPENC (3, 5, C12, C0, 0), F_ARCHEXT }, - { "rvbar_el1", CPENC(3,0,C12,C0,1), 0 }, /* RO */ - { "rvbar_el2", CPENC(3,4,C12,C0,1), 0 }, /* RO */ - { "rvbar_el3", CPENC(3,6,C12,C0,1), 0 }, /* RO */ + { "rvbar_el1", CPENC(3,0,C12,C0,1), F_REG_READ }, /* RO */ + { "rvbar_el2", CPENC(3,4,C12,C0,1), F_REG_READ }, /* RO */ + { "rvbar_el3", CPENC(3,6,C12,C0,1), F_REG_READ }, /* RO */ { "rmr_el1", CPENC(3,0,C12,C0,2), 0 }, { "rmr_el2", CPENC(3,4,C12,C0,2), 0 }, { "rmr_el3", CPENC(3,6,C12,C0,2), 0 }, - { "isr_el1", CPENC(3,0,C12,C1,0), 0 }, /* RO */ + { "isr_el1", CPENC(3,0,C12,C1,0), F_REG_READ }, /* RO */ { "disr_el1", CPENC (3, 0, C12, C1, 1), F_ARCHEXT }, { "vdisr_el2", CPENC (3, 4, C12, C1, 1), F_ARCHEXT }, { "contextidr_el1", CPENC(3,0,C13,C0,1), 0 }, { "contextidr_el2", CPENC (3, 4, C13, C0, 1), F_ARCHEXT }, { "contextidr_el12", CPENC (3, 5, C13, C0, 1), F_ARCHEXT }, { "tpidr_el0", CPENC(3,3,C13,C0,2), 0 }, - { "tpidrro_el0", CPENC(3,3,C13,C0,3), 0 }, /* RO */ + { "tpidrro_el0", CPENC(3,3,C13,C0,3), 0 }, /* RW */ { "tpidr_el1", CPENC(3,0,C13,C0,4), 0 }, { "tpidr_el2", CPENC(3,4,C13,C0,2), 0 }, { "tpidr_el3", CPENC(3,6,C13,C0,2), 0 }, { "teecr32_el1", CPENC(2,2,C0, C0,0), 0 }, /* See section 3.9.7.1 */ - { "cntfrq_el0", CPENC(3,3,C14,C0,0), 0 }, /* RO */ - { "cntpct_el0", CPENC(3,3,C14,C0,1), 0 }, /* RO */ - { "cntvct_el0", CPENC(3,3,C14,C0,2), 0 }, /* RO */ + { "cntfrq_el0", CPENC(3,3,C14,C0,0), 0 }, /* RW */ + { "cntpct_el0", CPENC(3,3,C14,C0,1), F_REG_READ }, /* RO */ + { "cntvct_el0", CPENC(3,3,C14,C0,2), F_REG_READ }, /* RO */ { "cntvoff_el2", CPENC(3,4,C14,C0,3), 0 }, { "cntkctl_el1", CPENC(3,0,C14,C1,0), 0 }, { "cntkctl_el12", CPENC (3, 5, C14, C1, 0), F_ARCHEXT }, @@ -3864,13 +3873,13 @@ const aarch64_sys_reg aarch64_sys_regs [] = { "teehbr32_el1", CPENC(2,2,C1,C0,0), 0 }, { "sder32_el3", CPENC(3,6,C1,C1,1), 0 }, { "mdscr_el1", CPENC(2,0,C0, C2, 2), 0 }, - { "mdccsr_el0", CPENC(2,3,C0, C1, 0), 0 }, /* r */ + { "mdccsr_el0", CPENC(2,3,C0, C1, 0), F_REG_READ }, /* r */ { "mdccint_el1", CPENC(2,0,C0, C2, 0), 0 }, { "dbgdtr_el0", CPENC(2,3,C0, C4, 0), 0 }, - { "dbgdtrrx_el0", CPENC(2,3,C0, C5, 0), 0 }, /* r */ - { "dbgdtrtx_el0", CPENC(2,3,C0, C5, 0), 0 }, /* w */ - { "osdtrrx_el1", CPENC(2,0,C0, C0, 2), 0 }, /* r */ - { "osdtrtx_el1", CPENC(2,0,C0, C3, 2), 0 }, /* w */ + { "dbgdtrrx_el0", CPENC(2,3,C0, C5, 0), F_REG_READ }, /* r */ + { "dbgdtrtx_el0", CPENC(2,3,C0, C5, 0), F_REG_WRITE }, /* w */ + { "osdtrrx_el1", CPENC(2,0,C0, C0, 2), F_REG_READ }, /* r */ + { "osdtrtx_el1", CPENC(2,0,C0, C3, 2), F_REG_WRITE }, /* w */ { "oseccr_el1", CPENC(2,0,C0, C6, 2), 0 }, { "dbgvcr32_el2", CPENC(2,4,C0, C7, 0), 0 }, { "dbgbvr0_el1", CPENC(2,0,C0, C0, 4), 0 }, @@ -3937,35 +3946,35 @@ const aarch64_sys_reg aarch64_sys_regs [] = { "dbgwcr13_el1", CPENC(2,0,C0, C13,7), 0 }, { "dbgwcr14_el1", CPENC(2,0,C0, C14,7), 0 }, { "dbgwcr15_el1", CPENC(2,0,C0, C15,7), 0 }, - { "mdrar_el1", CPENC(2,0,C1, C0, 0), 0 }, /* r */ - { "oslar_el1", CPENC(2,0,C1, C0, 4), 0 }, /* w */ - { "oslsr_el1", CPENC(2,0,C1, C1, 4), 0 }, /* r */ + { "mdrar_el1", CPENC(2,0,C1, C0, 0), F_REG_READ }, /* r */ + { "oslar_el1", CPENC(2,0,C1, C0, 4), F_REG_WRITE }, /* w */ + { "oslsr_el1", CPENC(2,0,C1, C1, 4), F_REG_READ }, /* r */ { "osdlr_el1", CPENC(2,0,C1, C3, 4), 0 }, { "dbgprcr_el1", CPENC(2,0,C1, C4, 4), 0 }, { "dbgclaimset_el1", CPENC(2,0,C7, C8, 6), 0 }, { "dbgclaimclr_el1", CPENC(2,0,C7, C9, 6), 0 }, - { "dbgauthstatus_el1", CPENC(2,0,C7, C14,6), 0 }, /* r */ + { "dbgauthstatus_el1", CPENC(2,0,C7, C14,6), F_REG_READ }, /* r */ { "pmblimitr_el1", CPENC (3, 0, C9, C10, 0), F_ARCHEXT }, /* rw */ { "pmbptr_el1", CPENC (3, 0, C9, C10, 1), F_ARCHEXT }, /* rw */ { "pmbsr_el1", CPENC (3, 0, C9, C10, 3), F_ARCHEXT }, /* rw */ - { "pmbidr_el1", CPENC (3, 0, C9, C10, 7), F_ARCHEXT }, /* ro */ + { "pmbidr_el1", CPENC (3, 0, C9, C10, 7), F_ARCHEXT | F_REG_READ }, /* ro */ { "pmscr_el1", CPENC (3, 0, C9, C9, 0), F_ARCHEXT }, /* rw */ { "pmsicr_el1", CPENC (3, 0, C9, C9, 2), F_ARCHEXT }, /* rw */ { "pmsirr_el1", CPENC (3, 0, C9, C9, 3), F_ARCHEXT }, /* rw */ { "pmsfcr_el1", CPENC (3, 0, C9, C9, 4), F_ARCHEXT }, /* rw */ { "pmsevfr_el1", CPENC (3, 0, C9, C9, 5), F_ARCHEXT }, /* rw */ { "pmslatfr_el1", CPENC (3, 0, C9, C9, 6), F_ARCHEXT }, /* rw */ - { "pmsidr_el1", CPENC (3, 0, C9, C9, 7), F_ARCHEXT }, /* ro */ + { "pmsidr_el1", CPENC (3, 0, C9, C9, 7), F_ARCHEXT | F_REG_READ }, /* ro */ { "pmscr_el2", CPENC (3, 4, C9, C9, 0), F_ARCHEXT }, /* rw */ { "pmscr_el12", CPENC (3, 5, C9, C9, 0), F_ARCHEXT }, /* rw */ { "pmcr_el0", CPENC(3,3,C9,C12, 0), 0 }, { "pmcntenset_el0", CPENC(3,3,C9,C12, 1), 0 }, { "pmcntenclr_el0", CPENC(3,3,C9,C12, 2), 0 }, { "pmovsclr_el0", CPENC(3,3,C9,C12, 3), 0 }, - { "pmswinc_el0", CPENC(3,3,C9,C12, 4), 0 }, /* w */ + { "pmswinc_el0", CPENC(3,3,C9,C12, 4), F_REG_WRITE }, /* w */ { "pmselr_el0", CPENC(3,3,C9,C12, 5), 0 }, - { "pmceid0_el0", CPENC(3,3,C9,C12, 6), 0 }, /* r */ - { "pmceid1_el0", CPENC(3,3,C9,C12, 7), 0 }, /* r */ + { "pmceid0_el0", CPENC(3,3,C9,C12, 6), F_REG_READ }, /* r */ + { "pmceid1_el0", CPENC(3,3,C9,C12, 7), F_REG_READ }, /* r */ { "pmccntr_el0", CPENC(3,3,C9,C13, 0), 0 }, { "pmxevtyper_el0", CPENC(3,3,C9,C13, 1), 0 }, { "pmxevcntr_el0", CPENC(3,3,C9,C13, 2), 0 }, |