Author: mhorne Date: Sun Jun 9 15:48:36 2019 New Revision: 348838 URL: https://svnweb.freebsd.org/changeset/base/348838
Log: RISC-V: Announce real and available memory at boot Most architectures print their total (real) and available memory during boot. Properly initialize the realmem global and print these messages. Also print the physical memory chunks (behind a bootverbose flag). Reviewed by: markj Approved by: markj (mentor) MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D20496 Modified: head/sys/riscv/riscv/machdep.c head/sys/riscv/riscv/pmap.c Modified: head/sys/riscv/riscv/machdep.c ============================================================================== --- head/sys/riscv/riscv/machdep.c Sun Jun 9 15:45:48 2019 (r348837) +++ head/sys/riscv/riscv/machdep.c Sun Jun 9 15:48:36 2019 (r348838) @@ -64,6 +64,7 @@ __FBSDID("$FreeBSD$"); #include <sys/sysproto.h> #include <sys/tslog.h> #include <sys/ucontext.h> +#include <sys/vmmeter.h> #include <vm/vm.h> #include <vm/vm_kern.h> @@ -140,7 +141,34 @@ cpu_startup(void *dummy) identify_cpu(); + printf("real memory = %ju (%ju MB)\n", ptoa((uintmax_t)realmem), + ptoa((uintmax_t)realmem) / (1024 * 1024)); + + /* + * Display any holes after the first chunk of extended memory. + */ + if (bootverbose) { + int indx; + + printf("Physical memory chunk(s):\n"); + for (indx = 0; phys_avail[indx + 1] != 0; indx += 2) { + vm_paddr_t size; + + size = phys_avail[indx + 1] - phys_avail[indx]; + printf( + "0x%016jx - 0x%016jx, %ju bytes (%ju pages)\n", + (uintmax_t)phys_avail[indx], + (uintmax_t)phys_avail[indx + 1] - 1, + (uintmax_t)size, (uintmax_t)size / PAGE_SIZE); + } + } + vm_ksubmap_init(&kmi); + + printf("avail memory = %ju (%ju MB)\n", + ptoa((uintmax_t)vm_free_count()), + ptoa((uintmax_t)vm_free_count()) / (1024 * 1024)); + bufinit(); vm_pager_bufferinit(); } Modified: head/sys/riscv/riscv/pmap.c ============================================================================== --- head/sys/riscv/riscv/pmap.c Sun Jun 9 15:45:48 2019 (r348837) +++ head/sys/riscv/riscv/pmap.c Sun Jun 9 15:48:36 2019 (r348838) @@ -640,6 +640,7 @@ pmap_bootstrap(vm_offset_t l1pt, vm_paddr_t kernstart, continue; dump_avail[map_slot] = start; dump_avail[map_slot + 1] = end; + realmem += atop((vm_offset_t)(end - start)); if (start >= kernstart && end <= pa) continue; _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
