Martin Roth has submitted this change. ( https://review.coreboot.org/c/coreboot/+/52750 )
Change subject: vendorcode: add code for cezanne psp_verstage ......................................................................
vendorcode: add code for cezanne psp_verstage
These are mostly copied from picasso code with exception for bl_syscall_public.h. For some SVCs svc number and/or prototype has been changed.
Signed-off-by: Kangheui Won khwon@chromium.org Change-Id: I6b431fdbf34fca2747833980ae53c06244905f93 Reviewed-on: https://review.coreboot.org/c/coreboot/+/52750 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Martin Roth martinroth@google.com --- A src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_end.S A src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_header.inc A src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_startup.S A src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_errorcodes_public.h A src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_syscall_public.h 5 files changed, 435 insertions(+), 0 deletions(-)
Approvals: build bot (Jenkins): Verified Martin Roth: Looks good to me, approved
diff --git a/src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_end.S b/src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_end.S new file mode 100644 index 0000000..40ea411 --- /dev/null +++ b/src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_end.S @@ -0,0 +1,44 @@ +/***************************************************************************** + * + * Copyright (c) 2019, Advanced Micro Devices, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ***************************************************************************/ + +.arm +.global LastBytes +.section PSP_FOOTER_DATA, "ad", %note +.balign 64 + +// Note: this is used for determining the size of the binary. It is 64 byte aligned and 64 byte +// in size so that the binary size is multiple of 64 bytes. +// +LastBytes: + .byte 0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99 + .byte 0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99 + .byte 0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99 + .byte 0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99,0x99 + +.end diff --git a/src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_header.inc b/src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_header.inc new file mode 100644 index 0000000..35c906a --- /dev/null +++ b/src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_header.inc @@ -0,0 +1,64 @@ +/***************************************************************************** + * + * Copyright (c) 2019, Advanced Micro Devices, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ***************************************************************************/ + +.global LastBytes + +#define BL_UAPP_START_ADDRESS 0x00036000 +#define SIZE_OF_THIS_HEADER 256 +#define SIZE_OF_PSP_END 64 +#define IMAGE_SIZE LastBytes + SIZE_OF_PSP_END - BL_UAPP_START_ADDRESS - SIZE_OF_THIS_HEADER + +#define IMAGE_VERSION 0x01,0x00,0x00,0x00 +#define FW_TYPE 0x52 + + + // 256 byte binary header + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 // nonce + .byte 0x00,0x00,0x00,0x00 // header version + .word IMAGE_SIZE + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte IMAGE_VERSION + .byte 0x00,0x00,0x00,0x00 // APU Family ID + .byte 0x00,0x01,0x00,0x00 // Load Address + .byte 0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte FW_TYPE + .byte 0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 diff --git a/src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_startup.S b/src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_startup.S new file mode 100644 index 0000000..f5f1e18e --- /dev/null +++ b/src/vendorcode/amd/fsp/cezanne/bl_uapp/bl_uapp_startup.S @@ -0,0 +1,71 @@ +/***************************************************************************** + * + * Copyright (c) 2019, Advanced Micro Devices, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ***************************************************************************/ + +#include <arch/asm.h> +#include <bl_uapp/bl_errorcodes_public.h> + + .global Main + .global _psp_vs_start + + .global PSP_VERSTAGE_STACK_END + +.arm +.text +.section "PSP_HEADER_DATA", "aw", %note + +//============================================================================== +// First 256 bytes of the binary image contain the header. +// Executable code starts from offset 0x100. +//============================================================================== +#include "bl_uapp_header.inc" + +//============================================================================== +// This is entry point to the binary which is called by main Boot Loader. +//============================================================================== + +ENTRY(_psp_vs_start) + + ldr sp, =PSP_VERSTAGE_STACK_END // stack pointer + + // Return value contains Virtual Address of mapped stack + // + ldr lr, =ShouldNotBeReached // return address + + ldr r2, =Main // pass control to verstage main function + blx r2 + +// This point should not be reached. The Main() function should return +// to main BL using Svc_Exit(). +// +ShouldNotBeReached: + mov r0, #BL_ERR_GENERIC // Returned from Main + svc #0x0 // SVC_EXIT + +ENDPROC(_psp_vs_start) +.end diff --git a/src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_errorcodes_public.h b/src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_errorcodes_public.h new file mode 100644 index 0000000..4fa9a33 --- /dev/null +++ b/src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_errorcodes_public.h @@ -0,0 +1,37 @@ +/***************************************************************************** + * + * Copyright (c) 2020, Advanced Micro Devices, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *******************************************************************************/ + +#ifndef BL_ERRORCODES_PUBLIC_H +#define BL_ERRORCODES_PUBLIC_H + +/* Bootloader Return Codes, Error only (0x00 through 0x9F) */ +#define BL_OK 0x00 // General - Success +#define BL_ERR_GENERIC 0x01 // Generic Error Code + +#endif /* BL_ERRORCODES_PUBLIC_H */ diff --git a/src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_syscall_public.h b/src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_syscall_public.h new file mode 100644 index 0000000..25a15e6 --- /dev/null +++ b/src/vendorcode/amd/fsp/cezanne/include/bl_uapp/bl_syscall_public.h @@ -0,0 +1,219 @@ +/***************************************************************************** + * + * Copyright (c) 2020, Advanced Micro Devices, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ***************************************************************************/ + +#ifndef _BL_SYSCALL_PUBLIC_H_ +#define _BL_SYSCALL_PUBLIC_H_ + +#include <stdint.h> + +#define SVC_EXIT 0x00 +#define SVC_ENTER 0x02 +#define SVC_DEBUG_PRINT 0x06 +#define SVC_DEBUG_PRINT_EX 0x1A +#define SVC_GET_BOOT_MODE 0x1C +#define SVC_GET_SPI_INFO 0x60 +#define SVC_MAP_SPIROM_DEVICE 0x61 +#define SVC_UNMAP_SPIROM_DEVICE 0x62 +#define SVC_MAP_FCH_IO_DEVICE 0x63 +#define SVC_UNMAP_FCH_IO_DEVICE 0x64 +#define SVC_UPDATE_PSP_BIOS_DIR 0x65 +#define SVC_COPY_DATA_FROM_UAPP 0x66 + +enum psp_boot_mode { + PSP_BOOT_MODE_S0 = 0x0, + PSP_BOOT_MODE_S0i3_RESUME = 0x1, + PSP_BOOT_MODE_S3_RESUME = 0x2, + PSP_BOOT_MODE_S4 = 0x3, + PSP_BOOT_MODE_S5_COLD = 0x4, + PSP_BOOT_MODE_S5_WARM = 0x5, +}; + +enum fch_io_device { + FCH_IO_DEVICE_SPI, + FCH_IO_DEVICE_I2C, + FCH_IO_DEVICE_GPIO, + FCH_IO_DEVICE_ESPI, + FCH_IO_DEVICE_IOMUX, + FCH_IO_DEVICE_MISC, + FCH_IO_DEVICE_AOAC, + FCH_IO_DEVICE_IOPORT, + + FCH_IO_DEVICE_END, +}; + +enum fch_i2c_controller_id { + FCH_I2C_CONTROLLER_ID_0 = 0, + FCH_I2C_CONTROLLER_ID_1 = 1, + FCH_I2C_CONTROLLER_ID_2 = 2, + FCH_I2C_CONTROLLER_ID_3 = 3, + FCH_I2C_CONTROLLER_ID_MAX, +}; + +struct spirom_info { + void *SpiBiosSysHubBase; + void *SpiBiosSmnBase; + uint32_t SpiBiosSize; +}; + +/* + * Exit to the main Boot Loader. This does not return back to user application. + * + * Parameters: + * status - either Ok or error code defined by AGESA + */ +void svc_exit(uint32_t status); + +/* Print debug message into serial console. + * + * Parameters: + * string - null-terminated string + */ +void svc_debug_print(const char *string); + +/* Print 4 DWORD values in hex to serial console + * + * Parameters: + * dword0...dword3 - 32-bit DWORD to print + */ +void svc_debug_print_ex(uint32_t dword0, + uint32_t dword1, uint32_t dword2, uint32_t dword3); + +/* Description - Returns the current boot mode from the enum psp_boot_mode found in + * bl_public.h. + * + * Inputs - boot_mode - Output parameter passed in R0 + * + * Outputs - The boot mode in boot_mode. + * See Return Values. + * + * Return Values - BL_OK + * BL_ERR_NULL_PTR + * Other BL_ERRORs lofted up from called functions + */ +uint32_t svc_get_boot_mode(uint32_t *boot_mode); + +/* Add delay in micro seconds + * + * Parameters: + * delay - required delay value in microseconds + * + * Return value: NONE + */ +void svc_delay_in_usec(uint32_t delay); + +/* Get the SPI-ROM information + * + * Parameters: + * spi_rom_iInfo - SPI-ROM information + * + * Return value: BL_OK or error code + */ +uint32_t svc_get_spi_rom_info(struct spirom_info *spi_rom_info); + +/* Map the FCH IO device register space (SPI/I2C/GPIO/eSPI/etc...) + * + * Parameters: + * io_device - ID for respective FCH IO controller register space to be mapped + * arg1 - Based on IODevice ID, interpretation of this argument changes. + * arg2 - Based on IODevice ID, interpretation of this argument changes. + * io_device_axi_addr - AXI address for respective FCH IO device register space + * + * Return value: BL_OK or error code + */ +uint32_t svc_map_fch_dev(enum fch_io_device io_device, + uint32_t arg1, uint32_t arg2, void **io_device_axi_addr); + +/* Unmap the FCH IO device register space mapped earlier using Svc_MapFchIODevice() + * + * Parameters: + * io_device - ID for respective FCH IO controller register space to be unmapped + * io_device_addr - AXI address for respective FCH IO device register space + * + * Return value: BL_OK or error code + */ +uint32_t svc_unmap_fch_dev(enum fch_io_device io_device, + void *io_device_axi_addr); + +/* Map the SPIROM FLASH device address space + * + * Parameters: + * SpiRomAddr - Address in SPIROM tobe mapped (SMN based) + * size - Size to be mapped + * pSpiRomAddrAxi - Mapped address in AXI space + * + * Return value: BL_OK or error code + */ +uint32_t svc_map_spi_rom(void *spi_rom_addr, + uint32_t size, void **spi_rom_axi_addr); + +/* Unmap the SPIROM FLASH device address space mapped earlier using Svc_MapSpiRomDevice() + * + * Parameters: + * pSpiRomAddrAxi - Address in AXI address space previously mapped + * + * Return value: BL_OK or error code + */ +uint32_t svc_unmap_spi_rom(void *spi_rom_addr); + +/* Updates the offset at which PSP or BIOS Directory can be found in the + * SPI flash + * + * Parameters: + * psp_dir_offset - [in/out] Offset at which PSP Directory can be + * found in the SPI Flash. Same pointer is used + * to return the offset in case of GET operation + * bios_dir_offset - [in/out] Offset at which BIOS Directory can be + * found in the SPI Flash. Same pointer is used + * to return the offset in case of GET operation + * + * Return value: BL_OK or error code + */ +uint32_t svc_update_psp_bios_dir(uint32_t *psp_dir_offset, + uint32_t *bios_dir_offset); + +/* Copies the data that is shared by verstage to the PSP BL owned memory + * + * Parameters: + * address - Address in UAPP controlled/owned memory + * size - Total size of memory to copy (max 16Kbytes) + */ +uint32_t svc_save_uapp_data(void *address, uint32_t size); + +/* + * Write postcode to Port-80 + * + * Parameters: + * postcode - Postcode value to be written on port-80h + */ +uint32_t svc_write_postcode(uint32_t postcode); + +/* C entry point for the Bootloader Userspace Application */ +void Main(void); + +#endif /* _BL_SYSCALL__PUBLIC_H_ */
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Martin Roth (Code Review)