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kernel: add arm architecture support
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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
@ -50,7 +50,7 @@ extern "C"
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#define P_tmpdir "/tmp/"
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typedef long fpos_t;
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typedef unsigned long size_t;
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typedef __SIZE_TYPE__ size_t;
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struct _IO_FILE
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{
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@ -46,7 +46,7 @@ extern "C"
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long rem;
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} ldiv_t;
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typedef unsigned long size_t;
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typedef __SIZE_TYPE__ size_t;
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// typedef __WCHAR_TYPE__ wchar_t;
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long a64l(const char *);
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@ -108,7 +108,7 @@ extern "C"
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char __data;
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} pthread_barrier_t;
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typedef unsigned long size_t;
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typedef __SIZE_TYPE__ size_t;
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typedef long ssize_t;
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typedef long suseconds_t;
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@ -189,6 +189,15 @@ enum RelocationTypes
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R_AARCH64_RELATIVE = 1027,
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R_AARCH64_TLS_DTPMOD64 = 1028,
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R_ARM_NONE = 0,
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R_ARM_COPY = 1024,
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R_ARM_GLOB_DAT = 1025,
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R_ARM_JUMP_SLOT = 1026,
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R_ARM_RELATIVE = 1027,
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R_ARM_TLS_DTPMOD32 = 1028,
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R_ARM_TLS_DTPOFF32 = 1029,
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R_ARM_TLS_TPOFF32 = 1030,
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#if defined(__x86_64__)
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R_NONE = R_X86_64_NONE,
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R_COPY = R_X86_64_COPY,
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@ -216,6 +225,15 @@ enum RelocationTypes
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R_DTPMOD64 = R_AARCH64_TLS_DTPMOD64,
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R_DTPOFF64 = R_AARCH64_NONE,
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R_TPOFF64 = R_AARCH64_NONE,
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#elif defined(__arm__)
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R_NONE = R_ARM_NONE,
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R_COPY = R_ARM_COPY,
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R_GLOB_DAT = R_ARM_GLOB_DAT,
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R_JMP_SLOT = R_ARM_JUMP_SLOT,
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R_RELATIVE = R_ARM_RELATIVE,
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R_DTPMOD64 = R_ARM_TLS_DTPMOD32,
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R_DTPOFF64 = R_ARM_TLS_DTPOFF32,
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R_TPOFF64 = R_ARM_TLS_TPOFF32,
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#endif
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};
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@ -1002,7 +1020,7 @@ typedef Elf64_Rela Elf_Rela;
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#define ELF_ST_BIND(info) ELF64_ST_BIND(info)
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#define ELF_ST_TYPE(info) ELF64_ST_TYPE(info)
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#define ELF_ST_INFO(bind, type) ELF64_ST_INFO(bind, type)
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#elif defined(__i386__)
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#elif defined(__i386__) || defined(__arm__)
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typedef Elf32_Addr Elf_Addr;
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typedef Elf32_Half Elf_Half;
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typedef Elf32_Off Elf_Off;
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@ -128,6 +128,8 @@ __attribute__((naked, used, no_stack_protector)) void _start()
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"call _exit\n"); /* Call _exit */
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#elif defined(__i386__)
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#warning "i386 _start not implemented"
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#elif defined(__arm__)
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#warning "arm _start not implemented"
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#elif defined(__aarch64__)
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#warning "aarch64 _start not implemented"
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#else
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@ -68,6 +68,8 @@ __attribute__((naked, used, no_stack_protector, section(".text"))) void _start()
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"call _exit\n");
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#elif defined(__i386__)
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#warning "i386 _start not implemented"
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#elif defined(__arm__)
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#warning "arm _start not implemented"
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#elif defined(__aarch64__)
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#warning "aarch64 _start not implemented"
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#else
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@ -68,6 +68,8 @@ __attribute__((naked, used, no_stack_protector, section(".text"))) void _start()
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"call _exit\n");
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#elif defined(__i386__)
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#warning "i386 _start not implemented"
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#elif defined(__arm__)
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#warning "arm _start not implemented"
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#elif defined(__aarch64__)
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#warning "aarch64 _start not implemented"
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#else
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@ -19,3 +19,176 @@ double __trunctfdf2(long double a)
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{
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return (double)a;
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}
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int __aeabi_dcmple(long double a, long double b)
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{
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return a <= b;
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}
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long long __aeabi_d2lz(double a)
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{
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return (long long)a;
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}
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int __aeabi_dcmplt(long double a, long double b)
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{
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return a < b;
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}
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typedef union
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{
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double d;
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struct
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{
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__UINT64_TYPE__ mantissa : 52;
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__UINT64_TYPE__ exponent : 11;
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__UINT64_TYPE__ sign : 1;
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} parts;
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} aeabi_double_t;
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aeabi_double_t __aeabi_ddiv(aeabi_double_t a, aeabi_double_t b)
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{
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aeabi_double_t result;
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result.d = a.d / b.d;
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return result;
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}
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aeabi_double_t __aeabi_dmul(aeabi_double_t a, aeabi_double_t b)
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{
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aeabi_double_t result;
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result.d = a.d * b.d;
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return result;
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}
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aeabi_double_t __aeabi_dadd(aeabi_double_t a, aeabi_double_t b)
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{
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aeabi_double_t result;
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result.d = a.d + b.d;
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return result;
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}
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int __aeabi_dcmpgt(aeabi_double_t a, aeabi_double_t b)
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{
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return a.d > b.d;
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}
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int __aeabi_dcmpge(aeabi_double_t a, aeabi_double_t b)
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{
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return a.d >= b.d;
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}
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aeabi_double_t __aeabi_dsub(aeabi_double_t a, aeabi_double_t b)
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{
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aeabi_double_t result;
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result.d = a.d - b.d;
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return result;
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}
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aeabi_double_t __aeabi_i2d(int a)
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{
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aeabi_double_t result;
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result.d = (double)a;
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return result;
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}
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aeabi_double_t __aeabi_l2d(long long a)
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{
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aeabi_double_t result;
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result.d = (double)a;
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return result;
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}
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int __aeabi_dcmpeq(aeabi_double_t a, aeabi_double_t b)
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{
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return a.d == b.d;
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}
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int __aeabi_d2iz(aeabi_double_t a)
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{
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return (int)a.d;
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}
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struct ldivmod_result
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{
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long quot;
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long rem;
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};
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struct ldivmod_result __aeabi_ldivmod(long numerator, long denominator)
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{
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struct ldivmod_result result;
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result.quot = numerator / denominator;
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result.rem = numerator % denominator;
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return result;
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}
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signed __aeabi_idiv(signed numerator, signed denominator)
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{
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return numerator / denominator;
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}
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signed __aeabi_idivmod(signed numerator, signed denominator)
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{
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signed quotient = numerator / denominator;
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signed remainder = numerator % denominator;
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return (quotient << 16) | remainder;
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}
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unsigned __aeabi_uidiv(unsigned numerator, unsigned denominator)
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{
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return numerator / denominator;
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}
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unsigned __aeabi_uidivmod(unsigned numerator, unsigned denominator)
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{
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unsigned quotient = numerator / denominator;
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unsigned remainder = numerator % denominator;
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return (quotient << 16) | remainder;
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}
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__UINT64_TYPE__ __udivmoddi4(__UINT64_TYPE__ numerator, __UINT64_TYPE__ denominator, __UINT64_TYPE__ *remainder)
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{
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__UINT64_TYPE__ quotient = 0;
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__UINT64_TYPE__ bit = 1;
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if (denominator == 0)
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{
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*remainder = numerator;
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return ~0ULL;
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}
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while (denominator < numerator && (denominator & (1ULL << 63)) == 0)
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{
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denominator <<= 1;
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bit <<= 1;
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}
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while (bit)
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{
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if (numerator >= denominator)
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{
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numerator -= denominator;
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quotient |= bit;
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}
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denominator >>= 1;
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bit >>= 1;
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}
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if (remainder)
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*remainder = numerator;
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return quotient;
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}
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struct udivmod_result
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{
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__UINT64_TYPE__ quot;
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__UINT64_TYPE__ rem;
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};
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struct udivmod_result __aeabi_uldivmod(__UINT64_TYPE__ numerator, __UINT64_TYPE__ denominator)
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{
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struct udivmod_result result;
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result.quot = __udivmoddi4(numerator, denominator, &result.rem);
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return result;
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}
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