1 | ## |
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2 | # |
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3 | # @file |
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4 | # |
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5 | # @brief Configure script of LibBSP for riscv BSP. |
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6 | # |
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7 | |
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8 | AC_PREREQ([2.69]) |
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9 | AC_INIT([rtems-c-src-lib-libbsp-riscv],[_RTEMS_VERSION],[http://www.rtems.org/bugzilla]) |
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10 | RTEMS_TOP(../../../../../..) |
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11 | RTEMS_SOURCE_TOP |
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12 | RTEMS_BUILD_TOP |
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13 | |
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14 | RTEMS_CANONICAL_TARGET_CPU |
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15 | AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.12.2]) |
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16 | RTEMS_BSP_CONFIGURE |
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17 | |
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18 | RTEMS_BSPOPTS_SET([BSP_START_COPY_FDT_FROM_U_BOOT],[*],[1]) |
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19 | RTEMS_BSPOPTS_HELP([BSP_START_COPY_FDT_FROM_U_BOOT],[copy the U-Boot provided FDT to an internal storage]) |
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20 | |
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21 | RTEMS_BSPOPTS_SET([BSP_FDT_BLOB_SIZE_MAX],[*],[65536]) |
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22 | RTEMS_BSPOPTS_HELP([BSP_FDT_BLOB_SIZE_MAX],[maximum size of the FDT blob in bytes]) |
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23 | |
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24 | RTEMS_BSPOPTS_SET([BSP_FDT_BLOB_READ_ONLY],[*],[1]) |
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25 | RTEMS_BSPOPTS_HELP([BSP_FDT_BLOB_READ_ONLY],[place the FDT blob into the read-only data area]) |
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26 | |
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27 | RTEMS_BSPOPTS_SET([BSP_FDT_BLOB_COPY_TO_READ_ONLY_LOAD_AREA],[*],[1]) |
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28 | RTEMS_BSPOPTS_HELP([BSP_FDT_BLOB_COPY_TO_READ_ONLY_LOAD_AREA],[copy the FDT blob into the read-only load area via bsp_fdt_copy()]) |
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29 | |
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30 | RTEMS_BSPOPTS_SET([BSP_CONSOLE_BAUD],[*],[115200]) |
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31 | RTEMS_BSPOPTS_HELP([BSP_CONSOLE_BAUD],[default baud for console driver devices (default 115200)]) |
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32 | |
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33 | RTEMS_BSPOPTS_SET([RISCV_MAXIMUM_EXTERNAL_INTERRUPTS],[*],[64]) |
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34 | RTEMS_BSPOPTS_HELP([RISCV_MAXIMUM_EXTERNAL_INTERRUPTS],[maximum number of external interrupts supported by the BSP (default 64)]) |
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35 | |
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36 | RTEMS_BSPOPTS_SET([RISCV_ENABLE_HTIF_SUPPORT],[*],[1]) |
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37 | RTEMS_BSPOPTS_HELP([RISCV_ENABLE_HTIF_SUPPORT],[enables the HTIF support if defined to a non-zero value, otherwise it is disabled (enabled by default)]) |
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38 | |
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39 | RTEMS_BSPOPTS_SET([RISCV_CONSOLE_MAX_NS16550_DEVICES],[*],[2]) |
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40 | RTEMS_BSPOPTS_HELP([RISCV_CONSOLE_MAX_NS16550_DEVICES],[maximum number of NS16550 devices supported by the console driver (2 by default)]) |
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41 | |
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42 | RTEMS_BSP_CLEANUP_OPTIONS |
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43 | |
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44 | case "${RTEMS_BSP}" in |
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45 | rv64*medany) |
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46 | RISCV_RAM_REGION_BEGIN_DEFAULT=0x80000000 |
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47 | ;; |
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48 | rv64*) |
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49 | RISCV_RAM_REGION_BEGIN_DEFAULT=0x70000000 |
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50 | ;; |
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51 | *) |
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52 | RISCV_RAM_REGION_BEGIN_DEFAULT=0x80000000 |
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53 | ;; |
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54 | esac |
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55 | |
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56 | AC_DEFUN([RISCV_LINKCMD],[ |
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57 | AC_ARG_VAR([$1],[$2])dnl |
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58 | [$1]=[$]{[$1]:-[$3]} |
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59 | ]) |
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60 | |
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61 | RISCV_LINKCMD([RISCV_RAM_REGION_BEGIN],[begin of the RAM region for linker command file (default is 0x70000000 for 64-bit with -mcmodel=medlow and 0x80000000 for all other)],[${RISCV_RAM_REGION_BEGIN_DEFAULT}]) |
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62 | RISCV_LINKCMD([RISCV_RAM_REGION_SIZE],[size of the RAM region for linker command file (default 64MiB)],[0x04000000]) |
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63 | |
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64 | AC_CONFIG_FILES([ |
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65 | Makefile |
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66 | linkcmds:../../../../../../bsps/riscv/riscv/start/linkcmds.in |
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67 | ]) |
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68 | AC_OUTPUT |
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