| apebs[m1] = mkpeb(aehdr, avhdr, buf0, 0, false), m = EB_PAGE_SIZE, m0 = m1, n = align↑(datasize(buf, n), EB_PAGE_SIZE), aehdr.valid?, avhdr.valid?, m1 < # apebs, abs(pebs, apebs), mtd-cons(pebs), ubi-io-inv(apebs), n ≤ LEB_SIZE, n ≤ # buf ⊦ ⟪if m0 < # pebs ∧ ¬ pebs[m0].bad ∧ pebs[m0].fill = 2 * EB_PAGE_SIZE ∧ n ≤ LEB_SIZE ∧ n ≤ # buf ∧ is-aligned(n, EB_PAGE_SIZE) then mtd_asm_write#(m0, 2 * m, 0, n, buf; pebs; err) else abort⟫ ⟨aubi_io_write_data_wl#(m1, n, buf; apebs; err0)⟩ (abs(pebs, apebs) ∧ err = err0), datasize(buf, n) = 0 |
pebs[m0].fill = 2 * EB_PAGE_SIZE, apebs[m1] = mkpeb(aehdr, avhdr, buf0, 0, false), m = EB_PAGE_SIZE, m0 = m1, n = align↑(datasize(buf, n), EB_PAGE_SIZE), avhdr.valid?, aehdr.valid?, m0 < # pebs, m1 < # apebs, abs(pebs, apebs), is-aligned(n, EB_PAGE_SIZE), mtd-cons(pebs), ubi-io-inv(apebs), n ≤ # buf, n ≤ LEB_SIZE, m0 < # pebs → m0 < # pebs ∧ (¬ pebs[m0].bad → m0 < # pebs) ⊦ ⟪mtd_asm_write#(m0, 2 * m, 0, n, buf; pebs; err)⟫ ⟨aubi_io_write_data_wl#(m1, n, buf; apebs; err0)⟩ (abs(pebs, apebs) ∧ err = err0), datasize(buf, n) = 0, pebs[m0].bad
apebs[m1] = mkpeb(aehdr, avhdr, buf0, 0, false), m = EB_PAGE_SIZE, m0 = m1, n = align↑(datasize(buf, n), EB_PAGE_SIZE), avhdr.valid?, aehdr.valid?, m1 < # apebs, abs(pebs, apebs), mtd-cons(pebs), ubi-io-inv(apebs), n ≤ # buf, n ≤ LEB_SIZE, m0 < # pebs → m0 < # pebs ∧ (¬ pebs[m0].bad → m0 < # pebs) ⊦ ⟪abort⟫ ⟨aubi_io_write_data_wl#(m1, n, buf; apebs; err0)⟩ (abs(pebs, apebs) ∧ err = err0), datasize(buf, n) = 0, m0 < # pebs ∧ ¬ pebs[m0].bad ∧ pebs[m0].fill = 2 * EB_PAGE_SIZE ∧ n ≤ LEB_SIZE ∧ n ≤ # buf ∧ is-aligned(n, EB_PAGE_SIZE)
apebs[m1] = mkpeb(aehdr, avhdr, buf0, 0, false), m = EB_PAGE_SIZE, m0 = m1, n = align↑(datasize(buf, n), EB_PAGE_SIZE), avhdr.valid?, aehdr.valid?, m0 < # pebs, m1 < # apebs, abs(pebs, apebs), mtd-cons(pebs), ubi-io-inv(apebs), n ≤ # buf, n ≤ LEB_SIZE ⊦ datasize(buf, n) = 0, m0 < # pebs ∧ (¬ pebs[m0].bad → m0 < # pebs)