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sdmmc: implement driver suitable for fs + bootloader

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* sdmmc: begin skeletoning sdmmc driver

* sdmmc: add most of SdHostStandardController

* sdmmc: implement most of SdmmcController

* sdmmc: Sdmmc2Controller

* sdmmc: skeleton implementation of Sdmmc1Controller

* sdmmc: complete abstract logic for Sdmmc1 power controller

* sdmmc: implement gpio handling for sdmmc1-register-control

* sdmmc: implement pinmux handling for sdmmc1-register-control

* sdmmc: fix building for arm32 and in stratosphere context

* sdmmc: implement voltage enable/set for sdmmc1-register-control

* util: move T(V)SNPrintf from kernel to util

* sdmmc: implement BaseDeviceAccessor

* sdmmc: implement MmcDeviceAccessor

* sdmmc: implement clock reset controller for register api

* sdmmc: fix bug in WaitWhileCommandInhibit, add mmc accessors

* exo: add sdmmc test program

* sdmmc: fix speed mode extension, add CheckMmcConnection for debug

* sdmmc: add DeviceDetector, gpio: implement client api

* gpio: modernize client api instead of doing it the lazy way

* sdmmc: SdCardDeviceAccessor impl

* sdmmc: update test program to read first two sectors of sd card

* sdmmc: fix vref sel

* sdmmc: finish outward-facing api (untested)

* ams: changes for libvapours including tegra register defs

* sdmmc: remove hwinit
This commit is contained in:
SciresM 2020-10-30 11:54:30 -07:00 • committed by GitHub
parent ac04e02a08
commit 166318ba77
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143 changed files with 13696 additions and 1569 deletions
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27
libraries/libexosphere/source/libc/libexo_cxx.cpp Normal file
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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <exosphere.hpp>
#ifdef __cplusplus
extern "C" {
#endif
/* cxx implementation details to be stubbed here, as needed. */
void __cxa_pure_virtual() { AMS_ABORT("pure virtual function call"); }
#ifdef __cplusplus
} /* extern "C" */
#endif

160
libraries/libexosphere/source/libc/libgcc_division.arch.arm.c Normal file
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// SPDX-License-Identifier: BSD-2-Clause
/*
* Copyright (c) 2014, STMicroelectronics International N.V.
*/
/*
* Form ABI specifications:
* int __aeabi_idiv(int numerator, int denominator);
* unsigned __aeabi_uidiv(unsigned numerator, unsigned denominator);
*
* typedef struct { int quot; int rem; } idiv_return;
* typedef struct { unsigned quot; unsigned rem; } uidiv_return;
*
* __value_in_regs idiv_return __aeabi_idivmod(int numerator,
* int *denominator);
* __value_in_regs uidiv_return __aeabi_uidivmod(unsigned *numerator,
* unsigned denominator);
*/
#ifdef __cplusplus
extern "C" {
#endif
/* struct qr - stores qutient/remainder to handle divmod EABI interfaces. */
struct qr {
unsigned q; /* computed quotient */
unsigned r; /* computed remainder */
unsigned q_n; /* specficies if quotient shall be negative */
unsigned r_n; /* specficies if remainder shall be negative */
};
static void uint_div_qr(unsigned numerator, unsigned denominator,
struct qr *qr);
/* returns in R0 and R1 by tail calling an asm function */
unsigned __aeabi_uidivmod(unsigned numerator, unsigned denominator);
unsigned __aeabi_uidiv(unsigned numerator, unsigned denominator);
/* returns in R0 and R1 by tail calling an asm function */
signed __aeabi_idivmod(signed numerator, signed denominator);
signed __aeabi_idiv(signed numerator, signed denominator);
/*
* __ste_idivmod_ret_t __aeabi_idivmod(signed numerator, signed denominator)
* Numerator and Denominator are received in R0 and R1.
* Where __ste_idivmod_ret_t is returned in R0 and R1.
*
* __ste_uidivmod_ret_t __aeabi_uidivmod(unsigned numerator,
* unsigned denominator)
* Numerator and Denominator are received in R0 and R1.
* Where __ste_uidivmod_ret_t is returned in R0 and R1.
*/
#ifdef __GNUC__
signed ret_idivmod_values(signed quotient, signed remainder);
unsigned ret_uidivmod_values(unsigned quotient, unsigned remainder);
#else
#error "Compiler not supported"
#endif
static void division_qr(unsigned n, unsigned p, struct qr *qr)
{
unsigned i = 1, q = 0;
if (p == 0) {
qr->r = 0xFFFFFFFF; /* division by 0 */
return;
}
while ((p >> 31) == 0) {
i = i << 1; /* count the max division steps */
p = p << 1; /* increase p until it has maximum size*/
}
while (i > 0) {
q = q << 1; /* write bit in q at index (size-1) */
if (n >= p)
{
n -= p;
q++;
}
p = p >> 1; /* decrease p */
i = i >> 1; /* decrease remaining size in q */
}
qr->r = n;
qr->q = q;
}
static void uint_div_qr(unsigned numerator, unsigned denominator, struct qr *qr)
{
division_qr(numerator, denominator, qr);
/* negate quotient and/or remainder according to requester */
if (qr->q_n)
qr->q = -qr->q;
if (qr->r_n)
qr->r = -qr->r;
}
unsigned __aeabi_uidiv(unsigned numerator, unsigned denominator)
{
struct qr qr = { .q_n = 0, .r_n = 0 };
uint_div_qr(numerator, denominator, &qr);
return qr.q;
}
unsigned __aeabi_uidivmod(unsigned numerator, unsigned denominator)
{
struct qr qr = { .q_n = 0, .r_n = 0 };
uint_div_qr(numerator, denominator, &qr);
return ret_uidivmod_values(qr.q, qr.r);
}
signed __aeabi_idiv(signed numerator, signed denominator)
{
struct qr qr = { .q_n = 0, .r_n = 0 };
if (((numerator < 0) && (denominator > 0)) ||
((numerator > 0) && (denominator < 0)))
qr.q_n = 1; /* quotient shall be negate */
if (numerator < 0) {
numerator = -numerator;
qr.r_n = 1; /* remainder shall be negate */
}
if (denominator < 0)
denominator = -denominator;
uint_div_qr(numerator, denominator, &qr);
return qr.q;
}
signed __aeabi_idivmod(signed numerator, signed denominator)
{
struct qr qr = { .q_n = 0, .r_n = 0 };
if (((numerator < 0) && (denominator > 0)) ||
((numerator > 0) && (denominator < 0)))
qr.q_n = 1; /* quotient shall be negate */
if (numerator < 0) {
numerator = -numerator;
qr.r_n = 1; /* remainder shall be negate */
}
if (denominator < 0)
denominator = -denominator;
uint_div_qr(numerator, denominator, &qr);
return ret_idivmod_values(qr.q, qr.r);
}
#ifdef __cplusplus
} /* extern "C" */
#endif

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libraries/libexosphere/source/libc/libgcc_division_asm.arch.arm.s Normal file
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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2014, STMicroelectronics International N.V.
*/
/*
* signed ret_idivmod_values(signed quot, signed rem);
* return quotient and remaining the EABI way (regs r0,r1)
*/
.section .text.ret_idivmod_values, "ax", %progbits
.globl ret_idivmod_values
.align 0
.syntax unified
ret_idivmod_values:
bx lr
.type ret_idivmod_values, %function
.size ret_idivmod_values, .-ret_idivmod_values
/*
* unsigned ret_uidivmod_values(unsigned quot, unsigned rem);
* return quotient and remaining the EABI way (regs r0,r1)
*/
.section .text.ret_uidivmod_values, "ax", %progbits
.globl ret_uidivmod_values
.align 0
.syntax unified
ret_uidivmod_values:
bx lr
.type ret_uidivmod_values, %function
.size ret_uidivmod_values, .-ret_uidivmod_values

35
libraries/libexosphere/source/libc/libgcc_thumb_case.arch.arm.s Normal file
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/* Copyright (C) 1995-2018 Free Software Foundation, Inc.
This file is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any
later version.
This file is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
.section .text.__gnu_thumb1_case_uqi, "ax", %progbits
.globl __gnu_thumb1_case_uqi
.align 0
.thumb_func
.syntax unified
__gnu_thumb1_case_uqi:
push {r1}
mov r1, lr
lsrs r1, r1, #1
lsls r1, r1, #1
ldrb r1, [r1, r0]
lsls r1, r1, #1
add lr, lr, r1
pop {r1}
bx lr
.type __gnu_thumb1_case_uqi, %function
.size __gnu_thumb1_case_uqi, .-__gnu_thumb1_case_uqi